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

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index cd741b7..6a182e1 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -765,7 +765,7 @@
 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