msm: kgsl: Initialize protect registers before powerup list

These registers are part of the IFPC power up list. So, perform
these register writes before populating the list.

Change-Id: I0d48316daf285eee68f8594908b3e925d9c677fc
Signed-off-by: Harshdeep Dhatt <hdhatt@codeaurora.org>
Signed-off-by: Urvashi Agrawal <urvaagra@codeaurora.org>