Add support for the new SC8280XP binding.

Note that the binding does not try to describe every register subregion
and instead the driver holds the corresponding offsets.

Also note that the driver will continue to accept the old binding, at
least for the time being.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20221024090041.19574-11-johan+linaro@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>