clk: qcom: Move the rbcpr clock voltage vote to active only

The RBCPR client would not be able to remove it's vote during any low power
state, so move the clock to vote on active only voltage.

Change-Id: I859ad7eb5b4f604cd8785156a0354ed76d3622c0
Signed-off-by: Taniya Das <tdas@codeaurora.org>