i2c: wmt: match return type of wait_for_completion_timeout

return type of wait_for_completion_timeout is unsigned long not int. as
wait_result is only used for wait_for_completion_timeout here the type
is simply changed to unsigned long.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-wmt.c

@@ -128,7 +128,8 @@ static int wmt_i2c_write(struct i2c_adapter *adap, struct i2c_msg *pmsg,
 {
 	struct wmt_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
 	u16 val, tcr_val;
-	int ret, wait_result;
+	int ret;
+	unsigned long wait_result;
 	int xfer_len = 0;
 
 	if (!(pmsg->flags & I2C_M_NOSTART)) {
@@ -218,7 +219,8 @@ static int wmt_i2c_read(struct i2c_adapter *adap, struct i2c_msg *pmsg,
 {
 	struct wmt_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
 	u16 val, tcr_val;
-	int ret, wait_result;
+	int ret;
+	unsigned long wait_result;
 	u32 xfer_len = 0;
 
 	if (!(pmsg->flags & I2C_M_NOSTART)) {