msm8974: Drop GPU Min to 100 MHz

Change-Id: Ia09c8482fd00ff18e32a0a26926809e6ac9027e5
Signed-off-by: Chet Kener <Cl3Kener@gmail.com> (reverted from commit c89cfeace32b2ce851071ebb6971acd34326acbd)
Drop GPU to 150 MHz

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>