WS cleanup: remove SPACE(s) followed by TAB

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/nds32/cpu/n1213/ag101/watchdog.S b/arch/nds32/cpu/n1213/ag101/watchdog.S
index 243096a..8e7399d 100644
--- a/arch/nds32/cpu/n1213/ag101/watchdog.S
+++ b/arch/nds32/cpu/n1213/ag101/watchdog.S
@@ -16,7 +16,7 @@
 #define WD_ENABLE	0x1
 
 	! Turn off the watchdog, according to Faraday FTWDT010 spec
-	li 	$p0, (CONFIG_FTWDT010_BASE+WD_CR)	! Get the addr of WD CR
+	li	$p0, (CONFIG_FTWDT010_BASE+WD_CR)	! Get the addr of WD CR
 	lwi	$p1, [$p0]				! Get the config of WD
 	andi	$p1, $p1, 0x1f				! Wipe out useless bits
 	li	$r0, ~WD_ENABLE