clk: qcom: dispcc-glymur: use RCG2 ops for DPTX1 AUX clock source

clk: qcom: dispcc-glymur: use RCG2 ops for DPTX1 AUX clock source

The clk_dp_ops are supposed to be used for DP-related clocks with a
proper MND divier. Use shared RCG2 ops for dptx1_aux_clk_src, the same
as all other DPTX AUX clocks in this driver.

Fixes: b4d15211c408 ("clk: qcom: dispcc-glymur: Add support for Display Clock Controller")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260112-dp-aux-clks-v1-1-456b0c11b069@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>