3.4.0 -> 3.4.84

Bring up to latest linux stable tag.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Conflicts:
	arch/x86/kernel/cpu/perf_event_amd_ibs.c
	arch/x86/kernel/cpu/scattered.c
	drivers/char/random.c
	fs/ext4/xattr.c
	include/trace/events/random.h
	kernel/time/tick-sched.c
	kernel/workqueue.c