[source] uml: Switch to 4.9 kernel

[LEDE Commits]

florian pushed a commit to source.git, branch master:
https://git.lede-project.org/bb71847da5a1b69a3080c580ba104276c432a334

commit bb71847da5a1b69a3080c580ba104276c432a334
Author: Florian Fainelli <f.fainelli at gmail.com>
AuthorDate: Tue Oct 24 15:10:05 2017 -0700

    uml: Switch to 4.9 kernel
    
    Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 target/linux/uml/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/uml/Makefile b/target/linux/uml/Makefile
index 6967e40..0b46032 100644
--- a/target/linux/uml/Makefile
+++ b/target/linux/uml/Makefile
@@ -22,7 +22,7 @@ BOARDNAME:=User Mode Linux
 FEATURES:=squashfs ext4 audio source-only
 MAINTAINER:=Florian Fainelli <florian at openwrt.org>
 
-KERNEL_PATCHVER:=4.4
+KERNEL_PATCHVER:=4.9
 
 include $(INCLUDE_DIR)/target.mk