dt-bindings: phy: Convert hisilicon,inno-usb2-phy to DT schema

Convert the HiSilicon INNO USB2 PHY binding to DT schema format. It's a
straight forward conversion.

Add the undocumented "hisilicon,hi3798mv100-usb2-phy" compatible.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250607212527.741915-1-robh@kernel.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>