clk: qcom: gcc: update the RCG before PLL for ope clock

THe OPE clock requires the RCG to be updated before the PLL, otherwise
it could lead to RCG fmax overshoot, causing instability.

Change-Id: I60bea625e9f46b9e23a2d31e9ba024a684842820
Signed-off-by: Naveen Yadav <naveenky@codeaurora.org>