clk: qcom: gpucc-blair: Scale both cx and gx rails for gfx3d clock

There is a requirement to scale both CX and GX rails during the gpu core
clock scaling, thus add the corresponding vdd data.

Change-Id: Ib27f4697a84ece1d0d1ce2b5297c03bf8ed955c6
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>