usb: Fixed a few typos

Fixed typos in comments of various drivers/usb files

Signed-off-by: Mickael Maison <mickael.maison@gmail.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 281be56..8591d89 100644
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -115,7 +115,7 @@
 	enum RTS51X_STAT state;
 	int support_auto_delink;
 #endif
-	/* used to back up the protocal choosen in probe1 phase */
+	/* used to back up the protocol chosen in probe1 phase */
 	proto_cmnd proto_handler_backup;
 };
 
@@ -925,7 +925,7 @@
 			(unsigned long)chip);
 	fw5895_init(us);
 
-	/* enable autosuspend funciton of the usb device */
+	/* enable autosuspend function of the usb device */
 	usb_enable_autosuspend(us->pusb_dev);
 
 	return 0;