posix: getopt: use configurable log level

Use the logging Kconfig template to facilitate a configurable
log level for getopt() and friends.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>

Author: cfriedt

lib/posix/c_lib_ext/Kconfig

@@ -26,4 +26,8 @@ config GETOPT_LONG
 	  for other threads by extending function getopt_state_get in
 	  getopt_common.c file.
 
+module = GETOPT
+module-str = getopt
+source "subsys/logging/Kconfig.template.log_config"
+
 endif # POSIX_C_LIB_EXT

lib/posix/c_lib_ext/getopt/getopt.c

@@ -39,7 +39,7 @@
 #include "getopt_common.h"
 
 #include <zephyr/logging/log.h>
-LOG_MODULE_REGISTER(getopt);
+LOG_MODULE_REGISTER(getopt, CONFIG_GETOPT_LOG_LEVEL);
 
 #define	BADCH	((int)'?')
 #define	BADARG	((int)':')

lib/posix/c_lib_ext/getopt/getopt_long.c

@@ -54,7 +54,7 @@
 #include "getopt_common.h"
 
 #include <zephyr/logging/log.h>
-LOG_MODULE_DECLARE(getopt);
+LOG_MODULE_DECLARE(getopt, CONFIG_GETOPT_LOG_LEVEL);
 
 #define GNU_COMPATIBLE		/* Be more compatible, configure's use us! */