hwmon: Convert from class_device to device

Convert from class_device to device for hwmon_device_register/unregister

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 0222bba..a717a25 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -517,7 +517,7 @@
  ****************************************************************************/
 
 static struct platform_device *tpacpi_pdev;
-static struct class_device *tpacpi_hwmon;
+static struct device *tpacpi_hwmon;
 static struct input_dev *tpacpi_inputdev;