Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/powerpc/include/asm/ppc460sx.h b/arch/powerpc/include/asm/ppc460sx.h
index d6dcda5..b692d07 100644
--- a/arch/powerpc/include/asm/ppc460sx.h
+++ b/arch/powerpc/include/asm/ppc460sx.h
@@ -2,7 +2,7 @@
  * (C) Copyright 2010
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _PPC460SX_H_