Fix coding style issues; update CHANGELOG.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/cpu/sh4/interrupts.c b/cpu/sh4/interrupts.c
index d310dd2..6988ecc 100644
--- a/cpu/sh4/interrupts.c
+++ b/cpu/sh4/interrupts.c
@@ -25,7 +25,7 @@
 
 int interrupt_init (void)
 {
-	return 0; 
+	return 0;
 }
 
 void enable_interrupts (void)
@@ -33,7 +33,6 @@
 
 }
 
-int disable_interrupts (void){ 
-	return 0; 
+int disable_interrupts (void){
+	return 0;
 }
-