Cleanup: remove trailing white space
diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c
index a77448e..e35a1d0 100644
--- a/cpu/ppc4xx/sdram.c
+++ b/cpu/ppc4xx/sdram.c
@@ -123,11 +123,11 @@
 		 */
 		return;
 	}
-	
+
 	/*
 	 * Now test for 64 MByte...
 	 */
-		
+
         /*
 	 * Disable memory controller.
 	 */
@@ -174,11 +174,11 @@
 		 */
 		return;
 	}
-	
+
 	/*
 	 * Now test for 32 MByte...
 	 */
-		
+
         /*
 	 * Disable memory controller.
 	 */
@@ -265,7 +265,7 @@
 	/*
 	 * Setup for 4 MByte...
 	 */
-		
+
         /*
 	 * Disable memory controller.
 	 */