msm: kgsl: Clear WAKE_ON_TOUCH bit for rendering commands

Clear WAKE_ON_TOUCH bit only for rendering command.
This will avoid GPU wakeup for MARKER and SYNC
commands, which actually are not getting submitted
to GPU for rendering.

Change-Id: I130d5f4a51b86c84265d272439e52cdd0cc13193
Signed-off-by: Prakash Kamliya <pkamliya@codeaurora.org>