lib: move fnmatch to lib/util

We expect to have more libraries with incopatible license. There must
be a common place for such software. It seems that lib/util is good
place for that.

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>

lib/CMakeLists.txt

@@ -6,7 +6,7 @@ add_subdirectory(posix)
 endif()
 add_subdirectory_ifdef(CONFIG_CMSIS_RTOS_V1        cmsis_rtos_v1)
 add_subdirectory_ifdef(CONFIG_CMSIS_RTOS_V2        cmsis_rtos_v2)
-add_subdirectory_ifdef(CONFIG_FNMATCH              fnmatch)
 add_subdirectory(gui)
 add_subdirectory(os)
+add_subdirectory(util)
 add_subdirectory_ifdef(CONFIG_OPENAMP              open-amp)

lib/Kconfig

@@ -9,8 +9,6 @@ source "lib/cmsis_rtos_v1/Kconfig"
 
 source "lib/cmsis_rtos_v2/Kconfig"
 
-source "lib/fnmatch/Kconfig"
-
 source "lib/gui/Kconfig"
 
 source "lib/os/Kconfig"
@@ -19,4 +17,6 @@ source "lib/posix/Kconfig"
 
 source "lib/open-amp/Kconfig"
 
+source "lib/util/Kconfig"
+
 endmenu

lib/util/CMakeLists.txt

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: Apache-2.0
+
+add_subdirectory_ifdef(CONFIG_FNMATCH		fnmatch)

lib/util/Kconfig

@@ -0,0 +1,9 @@
+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+
+menu "Util libraries"
+
+source "lib/util/fnmatch/Kconfig"
+
+endmenu