Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/amcc/katmai/init.S b/board/amcc/katmai/init.S
index 83ccd53..32f2667 100644
--- a/board/amcc/katmai/init.S
+++ b/board/amcc/katmai/init.S
@@ -4,7 +4,7 @@
  *
  *  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <ppc_asm.tmpl>