clk: qcom: Add video clock driver for TRINKET

Add support for the video clock controller found on TRINKET
based devices. This would allow video device drivers to
probe and control their clocks.

Change-Id: I9fa584fe704c4d632b888f5e8370b6fdbe492d4b
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>