od: gmenu2x: Add current board to opkPlatforms

Update GMenu2X' init script to prepend the model code of the board to
the opkPlatforms config value, like it was previously already done for
the rg99.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>

board/opendingux/package/gmenu2x/gmenu2x.sh

@@ -4,8 +4,10 @@ PLATFORMS=$(sed -n 's/^opkPlatforms="\(.*\)"$/\1/p' /usr/share/gmenu2x/gmenu2x.c
 
 MODEL=$(sed -n 's/.*,\(.*\)ingenic.*/\1/p' /sys/firmware/devicetree/base/compatible)
 case $MODEL in
-	rg99)
-		PLATFORMS=rg99,$PLATFORMS
+	rs90|gcw0)
+		;;
+	*)
+		PLATFORMS=$MODEL,$PLATFORMS
 		;;
 esac