power: sequencing: qcom-wcn: add support for the WCN6750 PMU

Enable support for controlling the power-up sequence of the PMU inside
the WCN6750 model.

Signed-off-by: Janaki Ramaiah Thota <quic_janathot@quicinc.com>
Link: https://lore.kernel.org/r/20241209103455.9675-5-quic_janathot@quicinc.com


Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>