USB: Move USB Storage definitions to their own header file

The libusual header file is hard to use from code that isn't part
of libusual.  As the comment suggests, these definitions are moved to
their own header file, paralleling other USB classes.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
[mina86@mina86.com: updated to use USB_ prefix and added #include guard]
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

index 0000000..d7fc910
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index f387c43..f091dc6 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -74,43 +74,7 @@
 #define USB_US_TYPE(flags) 		(((flags) >> 24) & 0xFF)
 #define USB_US_ORIG_FLAGS(flags)	((flags) & 0x00FFFFFF)
 
-/*
- * This is probably not the best place to keep these constants, conceptually.
- * But it's the only header included into all places which need them.
- */
-
-/* Sub Classes */
-
-#define USB_SC_RBC	0x01		/* Typically, flash devices */
-#define USB_SC_8020	0x02		/* CD-ROM */
-#define USB_SC_QIC	0x03		/* QIC-157 Tapes */
-#define USB_SC_UFI	0x04		/* Floppy */
-#define USB_SC_8070	0x05		/* Removable media */
-#define USB_SC_SCSI	0x06		/* Transparent */
-#define USB_SC_LOCKABLE	0x07		/* Password-protected */
-
-#define USB_SC_ISD200	0xf0		/* ISD200 ATA */
-#define USB_SC_CYP_ATACB	0xf1	/* Cypress ATACB */
-#define USB_SC_DEVICE	0xff		/* Use device's value */
-
-/* Storage protocol codes */
-
-#define USB_PR_CBI	0x00		/* Control/Bulk/Interrupt */
-#define USB_PR_CB	0x01		/* Control/Bulk w/o interrupt */
-#define USB_PR_BULK	0x50		/* bulk only */
-#define USB_PR_UAS	0x62		/* USB Attached SCSI */
-
-#define USB_PR_USBAT	0x80		/* SCM-ATAPI bridge */
-#define USB_PR_EUSB_SDDR09	0x81	/* SCM-SCSI bridge for SDDR-09 */
-#define USB_PR_SDDR55	0x82		/* SDDR-55 (made up) */
-#define USB_PR_DPCM_USB	0xf0		/* Combination CB/SDDR09 */
-#define USB_PR_FREECOM	0xf1		/* Freecom */
-#define USB_PR_DATAFAB	0xf2		/* Datafab chipsets */
-#define USB_PR_JUMPSHOT	0xf3		/* Lexar Jumpshot */
-#define USB_PR_ALAUDA	0xf4		/* Alauda chipsets */
-#define USB_PR_KARMA	0xf5		/* Rio Karma */
-
-#define USB_PR_DEVICE	0xff		/* Use device's value */
+#include <linux/usb/storage.h>
 
 /*
  */