arm64: dts: qcom: qcm6490-idp: Allow UFS regulators load/mode setting

The UFS driver expects to be able to set load (and by extension, mode)
on its supply regulators. Add the necessary properties to make that
possible.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rakesh Kota <quic_kotarake@quicinc.com>
Link: https://lore.kernel.org/r/20241017122858.3664474-1-quic_kotarake@quicinc.com


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