Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
index 4417646..717e7ba 100644
--- a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
+++ b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
@@ -23,7 +23,7 @@
  * (C) Copyright 2005
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
index 52340f2..36e7b01 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr.c
@@ -23,7 +23,7 @@
  * (C) Copyright 2005-2007
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* define DEBUG for debugging output (obviously ;-)) */
diff --git a/arch/powerpc/cpu/ppc4xx/dcr.S b/arch/powerpc/cpu/ppc4xx/dcr.S
index c80bc45..0d99391 100644
--- a/arch/powerpc/cpu/ppc4xx/dcr.S
+++ b/arch/powerpc/cpu/ppc4xx/dcr.S
@@ -2,7 +2,7 @@
  * (C) Copyright 2001
  * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <config.h>
 
diff --git a/arch/powerpc/cpu/ppc4xx/sdram.c b/arch/powerpc/cpu/ppc4xx/sdram.c
index 2d95bc5..d4ef36d 100644
--- a/arch/powerpc/cpu/ppc4xx/sdram.c
+++ b/arch/powerpc/cpu/ppc4xx/sdram.c
@@ -8,7 +8,7 @@
  * (C) Copyright 2002-2004
  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/powerpc/cpu/ppc4xx/tlb.c b/arch/powerpc/cpu/ppc4xx/tlb.c
index 8652167..3cb09bd 100644
--- a/arch/powerpc/cpu/ppc4xx/tlb.c
+++ b/arch/powerpc/cpu/ppc4xx/tlb.c
@@ -2,7 +2,7 @@
  * (C) Copyright 2007
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * SPDX-License-Identifier:	GPL-2.0+ 
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>