pistachio: Switch to kernel 4.14

Signed-off-by: Matti Laakso <[email protected]>

target/linux/pistachio/Makefile

@@ -14,7 +14,7 @@ CPU_TYPE:=24kc
 CPU_SUBTYPE:=24kf
 MAINTAINER:=
 
-KERNEL_PATCHVER:=4.9
+KERNEL_PATCHVER:=4.14
 
 include $(INCLUDE_DIR)/target.mk