mediatek: enable ramdisk support by default

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

target/linux/mediatek/Makefile

@@ -6,7 +6,7 @@ ARCH:=arm
 BOARD:=mediatek
 BOARDNAME:=MediaTek Ralink ARM
 SUBTARGETS:=32
-FEATURES:=squashfs nand ubifs fpu
+FEATURES:=squashfs nand ubifs ramdisk fpu
 MAINTAINER:=John Crispin <[email protected]>
 
 KERNEL_PATCHVER:=4.14