[rescue] Make sure the secondary device lock check gets also ignored.

The secondary device lock check needs also to be ignored for a working
rescue mode.

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>

src/usb_moded.c

@@ -316,7 +316,7 @@ void set_usb_mode(const char *mode)
   {
 	export = usb_moded_get_export_permission();
 
-	if(export && strcmp(mode, MODE_CHARGING))
+	if(export && strcmp(mode, MODE_CHARGING) && !rescue_mode)
 	{
 		log_debug("Secondary device lock check failed. Not setting mode!\n");
 		goto end;