drivers/exfat: add Samsung's open source exFat module version 1.2.4

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
drivers/Makefile: add exFat support

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
exfat: AIO Optimization compatibility fixup

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
Disable exFAT for temporary
Enable PowerSuspend
kernel/power/powersuspend: remove userspace dependency from powersuspend

make powersuspend not depend on a userspace initiator anymore, but use a hook
in autosleep instead.

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
kernel/power/powersuspend: add back userpace control w/ default kernel control

make kernel / userspace mode switchable

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
kernel/power/powersuspend: default to userspace for now

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>