UPSTREAM: usb: dwc3: pci: use build-in properties instead of platform data

UPSTREAM: usb: dwc3: pci: use build-in properties instead of platform data

This should allow the core driver to drop handling of
platform data and expect the platform specific details to
always come from properties.

Change-Id: I99f2aac600b49207982feaeadacd3d9489a85d45
Tested-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Huang Rui <ray.huang@amd.com>
CC: John Youn <John.Youn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit cf48305de0c6b556ff6af64e93295cc54c4fe246)