kernel: Relocate ring buffer suppport to 'misc' directory

Moves the source code for ring buffers to the 'misc' area, since
it isn't really a central component of the kernel. (This also
aligns the ring buffer source code with its include file, which
is already under 'include/misc'.)

Change-Id: I765a383a05f51fa67d154446f412496e689f9702
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>

kernel/nanokernel/Makefile

@@ -16,7 +16,6 @@ obj-$(CONFIG_SYS_POWER_MANAGEMENT) += idle.o
 obj-$(CONFIG_NANO_TIMERS) += nano_timer.o
 obj-$(CONFIG_KERNEL_EVENT_LOGGER) += event_logger.o
 obj-$(CONFIG_KERNEL_EVENT_LOGGER) += kernel_event_logger.o
-obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
 obj-$(CONFIG_ATOMIC_OPERATIONS_C) += atomic_c.o
 obj-$(CONFIG_ERRNO) += errno.o
 obj-$(CONFIG_NANO_WORKQUEUE) += nano_work.o

kernel/nanokernel/ring_buffer.c

@@ -1 +0,0 @@
-#include "../unified/ring_buffer.c"

kernel/unified/Makefile

@@ -37,6 +37,5 @@ lib-$(CONFIG_STACK_CANARIES) += compiler_stack_protect.o
 lib-$(CONFIG_SYS_CLOCK_EXISTS) += timer.o legacy_timer.o
 lib-$(CONFIG_KERNEL_EVENT_LOGGER) += event_logger.o
 lib-$(CONFIG_KERNEL_EVENT_LOGGER) += kernel_event_logger.o
-lib-$(CONFIG_RING_BUFFER) += ring_buffer.o
 lib-$(CONFIG_ATOMIC_OPERATIONS_C) += atomic_c.o
 lib-$(CONFIG_NANO_WORKQUEUE) += work_q.o

misc/Makefile

@@ -3,5 +3,6 @@ obj-$(CONFIG_CPLUSPLUS) += cpp_virtual.o cpp_vtable.o               \
                            cpp_init_array.o cpp_ctors.o cpp_dtors.o
 obj-$(CONFIG_PRINTK) += printk.o
 obj-$(CONFIG_REBOOT) += reboot.o
+obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
 obj-y += generated/
 obj-y += debug/

misc/ring_buffer.c

@@ -102,4 +102,3 @@ int sys_ring_buf_get(struct ring_buf *buf, uint16_t *type, uint8_t *value,
 
 	return 0;
 }
-