phy-sun4i-usb: Add support for the host usb-phys found on the H3 SoC

Note this commit only adds support for phys 1-3, phy 0, the otg phy, is
not yet (fully) supported after this commit.

Signed-off-by: Reinder de Haan <patchesrdh@mveas.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>