usb: dwc3: Add a glue driver for Synopsys HAPS platform

This driver is to be used for Synopsys PCIe-base HAPS platform. Move the
the HAPS support from dwc3-pci to this driver.

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>