usb: dwc3: pci: passing forward the ACPI companion

Sharing the ACPI companion with dwc3 core so it has access
to the properties defined for DWC3 in ACPI tables.
Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/dwc3/dwc3-pci.c

@@ -154,6 +154,7 @@ static int dwc3_pci_probe(struct pci_dev *pci,
 		goto err;
 
 	dwc3->dev.parent = dev;
+	ACPI_COMPANION_SET(&dwc3->dev, ACPI_COMPANION(dev));
 
 	ret = platform_device_add(dwc3);
 	if (ret) {