drivers/touchscreen: add sweep2wake

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
Signed-off-by: edoko <r_data@naver.com>

Conflicts:
	drivers/input/misc/pmic8xxx-pwrkey.c
	drivers/input/touchscreen/Kconfig
	drivers/input/touchscreen/lge_touch_core.c