kernel: update 4.1 to 4.1.1

Changelog:
* https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.1



Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46152 3c298f89-4303-0410-b956-a3cf2f4a3e73