Coding style cleanup; update CHANGELOG.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/post/cpu/ppc4xx/cache_4xx.S b/post/cpu/ppc4xx/cache_4xx.S
index 785b8d6..dddd76b 100644
--- a/post/cpu/ppc4xx/cache_4xx.S
+++ b/post/cpu/ppc4xx/cache_4xx.S
@@ -438,7 +438,7 @@
 	blr
 
 /* Test instructions.
- */	
+ */
 cache_post_test_inst:
 	li	r3, 0
 	li	r3, -1