Code cleanup; make several boards compile & link.
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index 7172fe3..f8f88ff45 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -247,7 +247,7 @@
 	unsigned long temp1;
 	unsigned long lfdiv;
 	unsigned long m;
-	unsigned long prbdv0;    
+	unsigned long prbdv0;
 
 	/* Extract configured divisors */
 	mfsdr( sdr_sdstp0,strp0 );