rb532: Switch to kernel 4.4

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

target/linux/rb532/Makefile

@@ -11,7 +11,7 @@ BOARD:=rb532
 BOARDNAME:=Mikrotik RouterBoard 532
 FEATURES:=pci targz squashfs
 
-KERNEL_PATCHVER:=4.1
+KERNEL_PATCHVER:=4.4
 
 include $(INCLUDE_DIR)/target.mk
 DEFAULT_PACKAGES += wpad-mini kmod-ath5k kmod-input-rb532