clk: msm: gcc: Add support for peripheral clocks for msmthorium

Msmthorium and 8952 both will be using same base file for gcc and rpm clock
implementation. Modify existing code for 8952 to accommodate changes for
msmthrorium.

Change-Id: Ie5af40b8d05d260e7370a8e1156c0d4b26301516
Signed-off-by: Jaydeep Sen <jsen@codeaurora.org>