input: touchscreen: nt36xxx: Skip i2c tx during tui suspend

During suspend while trusted touch is active, remove wait
for trusted touch to complete and skip i2c transfer. This
avoids delay during suspend.

Change-Id: Iec6b1eed86e841343d4ca3513f32fb892911b7d7
Signed-off-by: Ritesh Kumar <riteshk@codeaurora.org>