samples: Switch from NEWLIB_LIBC to REQUIRES_FULL_LIBC

Instead of forcing use of NEWLIB_LIBC, select any available complete C
library implementation. Add CONFIG_REQUIRES_FLOAT_PRINTF and adjust
CONFIG_LIBC_MALLOC_ARENA_SIZE as needed.

Signed-off-by: Keith Packard <keithp@keithp.com>

samples/bluetooth/tmap_bmr/boards/nrf5340_audio_dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_bmr/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_bms/boards/nrf5340_audio_dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_bms/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_central/boards/nrf5340_audio_dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_central/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_peripheral/boards/nrf5340_audio_dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/tmap_peripheral/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/unicast_audio_client/boards/nrf5340_audio_dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/unicast_audio_client/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/unicast_audio_server/boards/nrf5340_audio_dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y

samples/bluetooth/unicast_audio_server/boards/nrf5340dk_nrf5340_cpuapp.conf

@@ -4,5 +4,5 @@ CONFIG_LIBLC3=y
 # The LC3 codec uses a large amount of stack. This app runs the codec in the work-queue, hence
 # inctease stack size for that thread.
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
-# LC3 lib requires floating point support in the c-lib NEWLIB is one way of getting that.
-CONFIG_NEWLIB_LIBC=y
+# LC3 lib requires floating point support in the c-lib.
+CONFIG_REQUIRES_FULL_LIBC=y