clk: qcom: Add support for GPLL0 active clock for CPU

CPU clocks would require to vote on active only instance of GPLL0, so add
the clock and also update the parent names for the CPU clocks.

Change-Id: Id8c7f76170a1cc94fe045b8ba975aaa42c4b3819
Signed-off-by: Taniya Das <tdas@codeaurora.org>