msm: 8625q: Add support for 8625q

As 8625q does not come with a new version like 3.0,
The function cpu_is_msm8625q() is added to detect
this device into the code wherever required.

Change-Id: If2fcffc94fbb1a9ee4a71df967a629834879e970
Signed-off-by: Utsab Bose <ubose@codeaurora.org>