[source] orion: Switch to kernel 4.4

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/3043a4f5200d827e427c0080a2e526512441c61a

commit 3043a4f5200d827e427c0080a2e526512441c61a
Author: Florian Fainelli <f.fainelli at gmail.com>
AuthorDate: Tue Nov 29 17:10:01 2016 -0800

    orion: Switch to kernel 4.4
    
    Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 target/linux/orion/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/orion/Makefile b/target/linux/orion/Makefile
index 8c2a29c..f0a0ab9 100644
--- a/target/linux/orion/Makefile
+++ b/target/linux/orion/Makefile
@@ -13,7 +13,7 @@ FEATURES:=broken rtc
 SUBTARGETS:=generic harddisk
 MAINTAINER:=Imre Kaloz <kaloz at openwrt.org>
 
-KERNEL_PATCHVER:=3.18
+KERNEL_PATCHVER:=4.4
 
 include $(INCLUDE_DIR)/target.mk