ar71xx: switch to 3.6.8

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34414 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ar71xx/Makefile

@@ -13,7 +13,7 @@ FEATURES:=squashfs jffs2 targz
 CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2 -fno-caller-saves
 SUBTARGETS:=generic nand
 
-LINUX_VERSION:=3.3.8
+LINUX_VERSION:=3.6.8
 
 include $(INCLUDE_DIR)/target.mk