Bump kernel from 4.4.49 to 4.4.50
Compile tested: All targets
Run tested: ar71xx Archer C7 v2
Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
Refresh patches for all targets that support kernel 4.4.
Compile-tested on all targets that use kernel 4.4 and aren't marked broken.
Runtime-tested on ar71xx, octeon.
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>