msm: kgsl: Add clocks to access KGSL SMMU register space

Add gpu_cc_cx_gmu, gpu_cc_hub_aon & gpu_cc_hub_cx_int clock to the
list of clocks to vote for in order to access the KGSL SMMU register
space.

Change-Id: I84ff20b1c05c9045c3b271cd85ea98957fc4a6ce
Signed-off-by: Raghu Ananya Arabolu <rarabolu@codeaurora.org>