logging: formatting: Allow coloring in custom cases

In order to support error and warning message coloring
LOG_BACKEND_SHOW_COLOR must be set. Allow setting it for
customized cases.

Signed-off-by: Krzysztof Chruściński <[email protected]>

Author: nordic-krch

subsys/logging/Kconfig.formatting

@@ -134,9 +134,8 @@ config LOG_IMMEDIATE_CLEAN_OUTPUT
 
 config LOG_BACKEND_SHOW_COLOR
 	bool "Colors in the backend"
-	depends on LOG_BACKEND_UART || LOG_BACKEND_NATIVE_POSIX || LOG_BACKEND_RTT \
+	default y if LOG_BACKEND_UART || LOG_BACKEND_NATIVE_POSIX || LOG_BACKEND_RTT \
 	           || LOG_BACKEND_SWO || LOG_BACKEND_XTENSA_SIM || SHELL_LOG_BACKEND
-	default y
 	help
 	  When enabled selected backend prints errors in red and warning in yellow.