Coding Style cleanup

Fix trailing white space, indentation by spaces instead of TABs,
excessive blank lines, trailing blank lines.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/sh/lib/ashrsi3.S b/arch/sh/lib/ashrsi3.S
index 6f3cf46..2d68b27 100644
--- a/arch/sh/lib/ashrsi3.S
+++ b/arch/sh/lib/ashrsi3.S
@@ -56,7 +56,7 @@
 !
 
 	.global	__ashrsi3
-	
+
 	.align	2
 __ashrsi3:
 	mov	#31,r0