Merge tag 'v4.9.236' into khadas-vims-4.9.y

This is the 4.9.236 stable release

diff --cc Makefile
Simple merge

diff --cc arch/arm64/kernel/vmlinux.lds.S
Simple merge

diff --cc fs/eventpoll.c
Simple merge

diff --cc include/linux/blkdev.h
Simple merge

diff --cc include/linux/device-mapper.h
Simple merge

diff --cc mm/slub.c
Simple merge

diff --cc net/ipv4/inet_connection_sock.c
Simple merge

diff --cc scripts/checkpatch.pl
Simple merge