powerpc/85xx: Add dr_mode property in USB nodes

Add usb2 controller node for P1020RDB, P2020RDB, P2020DS, P1021MDS
Signed-off-by: NRamneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/p1020rdb.dtsi

@@ -190,6 +190,7 @@
 
 	usb@22000 {
 		phy_type = "ulpi";
+		dr_mode = "host";
 	};
 
 	/* USB2 is shared with localbus. It is used
@@ -197,6 +198,7 @@
 	   appropriate device-tree fixup done by uboot */
 	usb@23000 {
 		phy_type = "ulpi";
+		dr_mode = "host";
 	};
 
 	mdio@24000 {

arch/powerpc/boot/dts/p1021mds.dts

 /*
  * P1021 MDS Device Tree Source
  *
- * Copyright 2010 Freescale Semiconductor Inc.
+ * Copyright 2010,2012 Freescale Semiconductor Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -151,6 +151,7 @@
 
 		usb@22000 {
 			phy_type = "ulpi";
+			dr_mode = "host";
 		};
 
 		mdio@24000 {

arch/powerpc/boot/dts/p2020ds.dtsi

 /*
  * P2020DS Device Tree Source stub (no addresses or top-level ranges)
  *
- * Copyright 2011 Freescale Semiconductor Inc.
+ * Copyright 2011-2012 Freescale Semiconductor Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -134,6 +134,7 @@
 &board_soc {
 	usb@22000 {
 		phy_type = "ulpi";
+		dr_mode = "host";
 	};
 
 	mdio@24520 {

arch/powerpc/boot/dts/p2020rdb.dts

 /*
  * P2020 RDB Device Tree Source
  *
- * Copyright 2009-2011 Freescale Semiconductor Inc.
+ * Copyright 2009-2012 Freescale Semiconductor Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -197,6 +197,7 @@
 
 		usb@22000 {
 			phy_type = "ulpi";
+			dr_mode = "host";
 		};
 
 		mdio@24520 {