rockchip: xhci: Convert to livetree

Update the Rockchip xhci wrapper driver to support a live device tree.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c
index ec55f4e..ca3abff 100644
--- a/drivers/usb/host/xhci-rockchip.c
+++ b/drivers/usb/host/xhci-rockchip.c
@@ -6,8 +6,6 @@
  */
 #include <common.h>
 #include <dm.h>
-#include <fdtdec.h>
-#include <libfdt.h>
 #include <malloc.h>
 #include <usb.h>
 #include <watchdog.h>
@@ -46,7 +44,7 @@
 	/*
 	 * Get the base address for XHCI controller from the device node
 	 */
-	plat->hcd_base = devfdt_get_addr(dev);
+	plat->hcd_base = dev_read_addr(dev);
 	if (plat->hcd_base == FDT_ADDR_T_NONE) {
 		error("Can't get the XHCI register base address\n");
 		return -ENXIO;