mfd: twl6040: Fix GPO mask

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

include/linux/mfd/twl6040.h

@@ -143,7 +143,7 @@
 
 #define TWL6040_GPO1			0x01
 #define TWL6040_GPO2			0x02
-#define TWL6040_GPO3			0x03
+#define TWL6040_GPO3			0x04
 
 /* ACCCTL (0x2D) fields */