mfd: Fix val_len parameters for s5m-core regmap_raw_write

The val_len parameters for regmap_raw_write should be "count * sizeof(u8)"
(or simply "count") instead of "count * sizeof(u16)".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/s5m-core.c b/drivers/mfd/s5m-core.c
index 8b8cf85..578e12e 100644
--- a/drivers/mfd/s5m-core.c
+++ b/drivers/mfd/s5m-core.c
@@ -74,7 +74,7 @@
 
 int s5m_bulk_write(struct s5m87xx_dev *s5m87xx, u8 reg, int count, u8 *buf)
 {
-	return regmap_raw_write(s5m87xx->regmap, reg, buf, count * sizeof(u16));
+	return regmap_raw_write(s5m87xx->regmap, reg, buf, count);
 }
 EXPORT_SYMBOL_GPL(s5m_bulk_write);