build: add a CONFIG_MODULES symbol for compatibility with kernel menuconfig

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 36352

Config.in

@@ -6,6 +6,10 @@
 
 mainmenu "OpenWrt Configuration"
 
+config MODULES
+	bool
+	default y
+
 config HAVE_DOT_CONFIG
 	bool
 	default y