arm64: dts: qcom: sc7180-idp: Add RPMh regulators

Add the rpmh regulators for the sc7180 idp platform. This platform
consists of PMIC PM6150 and PM6150l

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Link: https://lore.kernel.org/r/20191108092824.9773-12-rnayak@codeaurora.org


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