arm64: dts: qcom: sc8280xp-crd: model the PMU of the on-board wcn6855

Add nodes for the WCN6855 PMU, the WLAN module and relevant regulators
and pin functions to fully describe how the wifi is actually wired on
this platform.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Co-developed-by: Konrad Dybcio <konradybcio@kernel.org>
Signed-off-by: Konrad Dybcio <konradybcio@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20241018-sc8280xp-pwrseq-v6-3-8da8310d9564@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>