clk: qcom: gpucc: Add Support for GPUCC clock driver for SHIMA

Add Graphics clock controller driver for the GPU clients to be
able to control clocks.

Change-Id: Id51e33ff46b9d39c1fb8a0fc14b4f73abcf40e4f
Signed-off-by: Jagadeesh Kona <jkona@codeaurora.org>