usb: USB3.0 ch11 definitions

Adding hub SuperSpeed usb definitions as defined by ch10 of the USB3.0
spec.

Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 0b6e751..dd6ee49 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -471,6 +471,10 @@
 
 /*-------------------------------------------------------------------------*/
 
+/* class requests from USB 3.0 hub spec, table 10-5 */
+#define SetHubDepth		(0x3000 | HUB_SET_DEPTH)
+#define GetPortErrorCount	(0x8000 | HUB_GET_PORT_ERR_COUNT)
+
 /*
  * Generic bandwidth allocation constants/support
  */