ARM: OMAP: move OMAP USB platform data to <linux/platform_data/omap-usb.h>

In order to make single zImage work for ARM architecture,
we need to make sure we don't depend on private headers.

Move USB platform_data to <linux/platform_data/omap-usb.h>
and add a minimal drivers/mfd/usb-omap.h.

Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Partha Basak <parthab@india.ti.com>
Cc: Keshava Munegowda <keshava_mgowda@ti.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>
[tony@atomide.com: updated for local mfd/usb-omap.h]
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index d7fe287..0d5ac36 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -39,12 +39,13 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/usb/ulpi.h>
-#include <plat/usb.h>
 #include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
 #include <linux/gpio.h>
 #include <linux/clk.h>
 
+#include <linux/platform_data/usb-omap.h>
+
 /* EHCI Register Set */
 #define EHCI_INSNREG04					(0xA0)
 #define EHCI_INSNREG04_DISABLE_UNSUSPEND		(1 << 5)
diff --git a/drivers/usb/host/ohci-omap3.c b/drivers/usb/host/ohci-omap3.c
index 1b8133b..bd7803d 100644
--- a/drivers/usb/host/ohci-omap3.c
+++ b/drivers/usb/host/ohci-omap3.c
@@ -30,7 +30,6 @@
  */
 
 #include <linux/platform_device.h>
-#include <plat/usb.h>
 #include <linux/pm_runtime.h>
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index c964d6a..a87cdd2 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -34,8 +34,7 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/usb/nop-usb-xceiv.h>
-
-#include <plat/usb.h>
+#include <linux/platform_data/usb-omap.h>
 
 #include "musb_core.h"
 
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 444346e..a67af21 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -38,13 +38,12 @@
 #include <linux/pm_runtime.h>
 #include <linux/module.h>
 #include <linux/usb/nop-usb-xceiv.h>
+#include <linux/platform_data/usb-omap.h>
 
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_address.h>
 
-#include <plat/usb.h>
-
 #include "musb_core.h"
 
 #ifdef CONFIG_OF
diff --git a/drivers/usb/musb/omap2430.h b/drivers/usb/musb/omap2430.h
index b85f397..8ef6566 100644
--- a/drivers/usb/musb/omap2430.h
+++ b/drivers/usb/musb/omap2430.h
@@ -10,7 +10,7 @@
 #ifndef __MUSB_OMAP243X_H__
 #define __MUSB_OMAP243X_H__
 
-#include <plat/usb.h>
+#include <linux/platform_data/usb-omap.h>
 
 /*
  * OMAP2430-specific definitions