drivers/touchscreen: add sweep2wake

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

Conflicts:
	drivers/input/touchscreen/lge_touch_core.c
sweep2wake: disable debugging :p

Signed-off-by: faux123 <reioux@gmail.com>

Conflicts:
	drivers/input/touchscreen/sweep2wake.c