treewide: Remove the unnecessary space before semicolon

%s/return ;/return;

Signed-off-by: Bin Meng <bmeng@tinylab.org>
diff --git a/arch/powerpc/cpu/mpc8xxx/law.c b/arch/powerpc/cpu/mpc8xxx/law.c
index 198b5b1..24bbe3b 100644
--- a/arch/powerpc/cpu/mpc8xxx/law.c
+++ b/arch/powerpc/cpu/mpc8xxx/law.c
@@ -353,5 +353,5 @@
 	}
 #endif
 
-	return ;
+	return;
 }