Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/amcc/makalu/init.S b/board/amcc/makalu/init.S
index 032640f..e15c622 100644
--- a/board/amcc/makalu/init.S
+++ b/board/amcc/makalu/init.S
@@ -7,7 +7,7 @@
  *
  * Originally based on code provided from Senao and AMCC
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 	.globl  ext_bus_cntlr_init