mcs814x: set low_mem feature flag

Most of the devices we support have between 16MiB and 32MiB of RAM
available.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 43924

target/linux/mcs814x/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=arm
 BOARD:=mcs814x
 BOARDNAME:=Moschip MCS814x
-FEATURES:=usb squashfs
+FEATURES:=usb squashfs low_mem
 CPU_TYPE:=arm926ej-s
 MAINTAINER:=Florian Fainelli <florian@openwrt.org>