arm64: dts: qcom: sc7280: Add pmg1110 regulators for sc7280-crd

Add pmg1110 pmic regulators support.

Signed-off-by: Satya Priya <quic_c_skakit@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1637668167-31325-4-git-send-email-quic_c_skakit@quicinc.com