Minor coding style cleanup.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 2929fc7..d91ae12 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -79,7 +79,7 @@
  */
 .globl _armboot_start
 _armboot_start:
-        .word _start
+	.word _start
 #endif
 
 /*