kirkwood: switch to kernel 4.14

Signed-off-by: Paul Wassi <[email protected]>

target/linux/kirkwood/Makefile

@@ -13,7 +13,7 @@ FEATURES:=usb nand squashfs ramdisk
 CPU_TYPE:=xscale
 MAINTAINER:=Luka Perkov <[email protected]>
 
-KERNEL_PATCHVER:=4.9
+KERNEL_PATCHVER:=4.14
 
 include $(INCLUDE_DIR)/target.mk