Accuracy Filter Control: export accuracy filter items to userspace via sysfs.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
drivers: input: touchscree: remove leftovers and tweak some of the filter values.

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

Conflicts:

	drivers/input/touchscreen/lge_touch_core.c