usb: dwc2: convert to livetree

Update the DWC2 USB driver to support a live tree.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
index 64c42ac..0ed72d5 100644
--- a/drivers/usb/host/dwc2.c
+++ b/drivers/usb/host/dwc2.c
@@ -1245,7 +1245,7 @@
 	struct dwc2_priv *priv = dev_get_priv(dev);
 	fdt_addr_t addr;
 
-	addr = devfdt_get_addr(dev);
+	addr = dev_read_addr(dev);
 	if (addr == FDT_ADDR_T_NONE)
 		return -EINVAL;
 	priv->regs = (struct dwc2_core_regs *)addr;