oxnas: switch to kernel 4.1

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46637 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/oxnas/Makefile

@@ -15,7 +15,7 @@ CPU_TYPE:=mpcore
 
 MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
 
-KERNEL_PATCHVER:=3.18
+KERNEL_PATCHVER:=4.1
 
 include $(INCLUDE_DIR)/target.mk