modules: openthread: Workaround for posix conf for picolibc

Workaround for picolib. Currently, Zephyr does not support
POSIX_SYSCONF_IMPL_FULL if PICOLIBC is enabled.
Use POSIX_SYSCONF_IMPL_MACRO instead until it is fixed in Zephyr.

Signed-off-by: Arkadiusz Balys <[email protected]>

Author: ArekBalysNordic

subsys/net/openthread/Kconfig.defconfig

@@ -97,6 +97,13 @@ endchoice
 config NEWLIB_LIBC_NANO
 	default y if NEWLIB_LIBC
 
+# Workaround for picolib. Currently, Zephyr does not support
+# POSIX_SYSCONF_IMPL_FULL if PICOLIBC is enabled.
+# Use POSIX_SYSCONF_IMPL_MACRO instead until it is fixed in Zephyr.
+choice POSIX_SYSCONF_IMPL_CHOICE
+	default POSIX_SYSCONF_IMPL_MACRO if PICOLIBC
+endchoice
+
 config NUM_METAIRQ_PRIORITIES
 	default 1