arm64: dts: qcom: sc7280: Add RPMh regulators for sc7280-idp

Add regulator devices for SC7280 as RPMh regulators. This ensures
that consumers are able to modify the physical state of PMIC
regulators.

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: satya priya <skakit@codeaurora.org>
Link: https://lore.kernel.org/r/1617192339-3760-4-git-send-email-skakit@codeaurora.org


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