[parseopt] Move parse_settings() to parseopt.c

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/parseopt.c

 #include <getopt.h>
 #include <ipxe/netdevice.h>
 #include <ipxe/menu.h>
+#include <ipxe/settings.h>
 #include <ipxe/parseopt.h>
 
 /** @file
 	return parse_integer ( text, key );
 }
 
+/**
+ * Parse settings block name
+ *
+ * @v text		Text
+ * @ret value		Integer value
+ * @ret rc		Return status code
+ */
+int parse_settings ( char *text, struct settings **value ) {
+
+	/* Sanity check */
+	assert ( text != NULL );
+
+	/* Parse scope name */
+	*value = find_settings ( text );
+	if ( ! *value ) {
+		printf ( "\"%s\": no such scope\n", text );
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /**
  * Print command usage message
  *

src/hci/commands/config_cmd.c

 static struct command_descriptor config_cmd =
 	COMMAND_DESC ( struct config_options, config_opts, 0, 1, "[<scope>]" );
 
-/**
- * Parse settings scope name
- *
- * @v text		Text
- * @ret value		Integer value
- * @ret rc		Return status code
- */
-static int parse_settings ( const char *text, struct settings **value ) {
-
-	/* Sanity check */
-	assert ( text != NULL );
-
-	/* Parse scope name */
-	*value = find_settings ( text );
-	if ( ! *value ) {
-		printf ( "\"%s\": no such scope\n", text );
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 /**
  * "config" command
  *

src/include/ipxe/parseopt.h

 
 struct net_device;
 struct menu;
+struct settings;
 
 /** A command-line option descriptor */
 struct option_descriptor {
 extern int parse_menu ( char *text, struct menu **menu );
 extern int parse_flag ( char *text __unused, int *flag );
 extern int parse_key ( char *text, unsigned int *key );
-extern void print_usage ( struct command_descriptor *cmd, char **argv );
+extern int parse_settings ( char *text, struct settings **settings );
 extern int reparse_options ( int argc, char **argv,
 			     struct command_descriptor *cmd, void *opts );
 extern int parse_options ( int argc, char **argv,