hwmon: VRM is not read from registers

The VRM value is not read from chip registers, so there's no need
to update the device data cache before exporting the VRM value to
user-space.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

drivers/hwmon/it87.c

@@ -765,7 +765,7 @@ static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 static ssize_t
 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	struct it87_data *data = it87_update_device(dev);
+	struct it87_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%u\n", data->vrm);
 }
 static ssize_t