msm: cvp: Dynamic clock voting

Get fps info from UMD and cycle count from FW to scale CVP
clock frequency to match CVP workload.

Change-Id: I47c18173987360271f0b2575e815aff0e00afa8d
Signed-off-by: ronaldk <ronaldk@codeaurora.org>
Signed-off-by: George Shen <sqiao@codeaurora.org>