touchscreen: tweak some initialization parameters for better UI response

Signed-off-by: faux123 <reioux@gmail.com>
drivers/touchscreen: add sweep2wake

Signed-off-by: Paul Reioux <reioux@gmail.com>
sweep2wake: fix last touch not being released

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
Added small buildfile