power: supply: ti: ln8000_charger: Silence pointer to int type warning

Clang warns:
 drivers/power/supply/ti/ln8000_charger.c:1447: warning: cast to smaller integer type 'int' from 'const void *' [-Wvoid-pointer-to-int-cast]
     return (int)of_id->data;
            ^~~~~~~~~~~~~~~~

1 warning generated.

Signed-off-by: Shashank Patil <[email protected]>

drivers/power/supply/ti/ln8000_charger.c

@@ -1444,7 +1444,7 @@ static int ln8000_get_dev_role(struct i2c_client *client)
 
     dev_info(&client->dev,"%s: matched to %s\n", __func__, of_id->compatible);
 
-    return (int)of_id->data;
+    return (long)of_id->data;
 }
 
 static int ln8000_parse_dt(struct ln8000_info *info)