[source] cns3xxx: switch to linux 4.9

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/2c416b1db09af5d401653c6479a53430fdc81f21

commit 2c416b1db09af5d401653c6479a53430fdc81f21
Author: Koen Vandeputte <koen.vandeputte at ncentric.com>
AuthorDate: Wed Feb 8 09:44:13 2017 +0100

    cns3xxx: switch to linux 4.9
    
    Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>
---
 target/linux/cns3xxx/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/cns3xxx/Makefile b/target/linux/cns3xxx/Makefile
index c8d6251..817bb31 100644
--- a/target/linux/cns3xxx/Makefile
+++ b/target/linux/cns3xxx/Makefile
@@ -14,7 +14,7 @@ CPU_TYPE:=mpcore
 CPU_SUBTYPE:=vfp
 MAINTAINER:=Felix Fietkau <nbd at nbd.name>
 
-KERNEL_PATCHVER:=4.4
+KERNEL_PATCHVER:=4.9
 
 define Target/Description
 	Build images for Cavium Networks Econa CNS3xxx based boards,