Merge tag 'v4.9.155' into khadas-vim3-4.9.y

This is the 4.9.155 stable release

diff --cc Makefile
Simple merge

diff --cc arch/arm64/kernel/hibernate.c
Simple merge

diff --cc fs/cifs/connect.c
Simple merge

diff --cc fs/dcache.c
Simple merge

diff --cc fs/read_write.c
Simple merge

diff --cc fs/super.c
Simple merge

diff --cc kernel/exit.c
Simple merge

diff --cc net/ipv6/af_inet6.c
Simple merge

diff --cc net/l2tp/l2tp_ip6.c
Simple merge