clk: qcom: clk-alpha-pll: Add support for controlling Rivian PLL

clk: qcom: clk-alpha-pll: Add support for controlling Rivian PLL

Add clock ops for Rivian ELU and EKO_T PLLs, add the register offsets
for the Rivian ELU PLL. Since ELU and EKO_T shared the same offsets and
PLL ops, reuse the Rivian EKO_T enum.

Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Taniya Das <taniya.das@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260107-kaanapali-mmcc-v3-v3-3-8e10adc236a8@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>