input: Enable touch on 88pm860x

Enable touchscreen driver for the 88pm860x multi function core.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h
index d7edf11..80bc82a 100644
--- a/include/linux/mfd/88pm860x.h
+++ b/include/linux/mfd/88pm860x.h
@@ -343,6 +343,7 @@
 	int		tsi_prebias;	/* time, slot */
 	int		pen_prebias;	/* time, slot */
 	int		pen_prechg;	/* time, slot */
+	int		res_x;		/* resistor of Xplate */
 	unsigned long	flags;
 };