USB: Some cleanup prior to USB 3.0 interface addition

Some cleanup in usb framework, nothing much on feature side.

Signed-off-by: Vikas C Sajjan <vikas.sajjan@samsung.com>
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
diff --git a/include/usb_defs.h b/include/usb_defs.h
index 5c5478f..c0022e6 100644
--- a/include/usb_defs.h
+++ b/include/usb_defs.h
@@ -247,7 +247,7 @@
 #define HUB_CHAR_OCPM               0x0018
 
 /*
- *Hub Status & Hub Change bit masks
+ * Hub Status & Hub Change bit masks
  */
 #define HUB_STATUS_LOCAL_POWER	0x0001
 #define HUB_STATUS_OVERCURRENT	0x0002