regulator: qcom-rpmh: Add regulators support for PMX75

Add support from RPMH regulators found in PMX75 for SDX75 platform.

Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Link: https://lore.kernel.org/r/1689062414-3654-4-git-send-email-quic_rohiagar@quicinc.com


Signed-off-by: Mark Brown <broonie@kernel.org>