mt6765-common: perf: Use input boost to improve interaction hint

Drop unused GPU node and instead use input touch boost for boosting
whenever a touch input is detected upto 50% and for a duration of
1 millisecond, improving overall scrolling and responsiveness.

Signed-off-by: Vaisakh Murali <mvaisakh@statixos.com>
Change-Id: I77c163ea7a2cf9546c321b180b2304b099fc7a34