add sound feature

Signed-off-by: Florian Fainelli <[email protected]>

SVN-Revision: 34621

target/linux/ep93xx/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=arm
 BOARD:=ep93xx
 BOARDNAME:=Cirrus Logic EP93xx
-FEATURES:=squashfs jffs2 ext4 targz usb display
+FEATURES:=squashfs jffs2 ext4 targz usb display sound
 CFLAGS:=-Os -pipe -march=armv4t -fno-caller-saves
 MAINTAINER:=Florian Fainelli <[email protected]>