Coding Style cleanup; update CHANGELOG

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/common/usb_storage.c b/common/usb_storage.c
index d263b6c..7c08f95 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -199,7 +199,7 @@
 		}
 		return 0;
 	}
-	
+
 	printf("No storage devices, perhaps not 'usb start'ed..?\n");
 	return 1;
 }