Revert "auto_hotplug: min_online_cpus = 1 and max_online_cpus = 2"

This reverts commit 3fffdfc40c7f81aa3171bf9e457799a0b519424f.
video: lm3530_bl: Introduce new tunables to control LED driver

- min_br: sets the mininum brightness level (2-114)
- max_br: sets the maximum brightness level (2-114)
- br_mode: sets the linear (default 1) or exponential (0) brightness
mapping mode.

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>

Conflicts:
	drivers/video/backlight/lm3530_bl.c
video: lm3530_bl: Fix a couple of checkpatch warnings

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
video: lm3530_bl: Fix backlight issue when suspend

Revert the min brightness check that prevents the driver
to turn off backlight when suspend.

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Kernel Version: AK.NEO.0x036.JS