powerpc/85xx: Add USB device-tree fixup for various platforms

Add USB device-tree fixup for following platforms:
MPC8536DS, P1022DS, P1023RDS, P2020COME, P2020DS, P2041RDB, P3060QDS

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index 134352b..33ded71 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2007-2009,2010-2011 Freescale Semiconductor, Inc.
+ * Copyright 2007-2009,2010-2012 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -711,6 +711,8 @@
 /*
  * USB
  */
+#define CONFIG_HAS_FSL_MPH_USB
+#ifdef CONFIG_HAS_FSL_MPH_USB
 #define CONFIG_USB_EHCI
 
 #ifdef CONFIG_USB_EHCI
@@ -719,6 +721,7 @@
 #define CONFIG_USB_EHCI_FSL
 #define CONFIG_USB_STORAGE
 #endif
+#endif
 
 #if defined(CONFIG_MMC) || defined(CONFIG_USB_EHCI)
 #define CONFIG_CMD_EXT2