arm64: dts: qcom: ipq9574: Add USB related nodes

Add USB phy and controller related nodes

SS PHY need two supplies and HS PHY needs three supplies. 0.925V
and 3.3V are from fixed regulators and 1.8V is generated from
PMIC's LDO

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Link: https://lore.kernel.org/r/37bd667c065b6c254c7e60ab4ad3a3afbe3b0fac.1686289721.git.quic_varada@quicinc.com


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