WS cleanup: remove SPACE(s) followed by TAB

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/doc/device-tree-bindings/pinctrl/bcm6838-pinctrl.txt b/doc/device-tree-bindings/pinctrl/bcm6838-pinctrl.txt
index 2034f05..ace66ea 100644
--- a/doc/device-tree-bindings/pinctrl/bcm6838-pinctrl.txt
+++ b/doc/device-tree-bindings/pinctrl/bcm6838-pinctrl.txt
@@ -2,7 +2,7 @@
 
 Required properties for the pinctrl driver:
 - compatible:	   "brcm,bcm6838-pinctrl"
-- regmap: 		   specify the gpio test port syscon
+- regmap:		   specify the gpio test port syscon
 - brcm,pins-count:      the number of pin
 - brcm,functions-count: the number of function