clk: qcom: gcc-sdxlemur: Add support for GCC clock driver

Add support for global clock controller for peripheral clock
clients to be able to request for the clocks.

Change-Id: I352b0e4d0ab39fe4fec0ed033e249904ebfd660a
Signed-off-by: Naveen Yadav <naveenky@codeaurora.org>