warnings: use more 'const' for char *

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

src/helper/command.h

@@ -173,7 +173,7 @@ typedef __COMMAND_HANDLER((*command_handler_t));
 
 struct command
 {
-	char *name;
+	const char *name;
 	const char *help;
 	const char *usage;
 	struct command *parent;