msm: kgsl: Wake up GPU only for touch events

Register the KGSL input event handler only for
touch input events to make sure input event handler
is called only for touch input events.

Change-Id: I68938fbbf870bd3bce83cb057b504674753d6de8
Signed-off-by: Ananta Kishore K <akollipa@codeaurora.org>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
msm: kgsl: Report GPU frequency correctly in sysfs

Change-Id: Iaf31be53bff5039d89a632d83b517d34755eb027
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Conflicts:
	drivers/gpu/msm/kgsl_pwrctrl.c
msm: kgsl: fix qcom derp