hwmon: (abitguru3) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()

These newer PM macros allow the compiler to see what code it can remove
if !CONFIG_PM_SLEEP. This allows the removal of messy #ifdef barriers whilst
achieving the same result.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220925172759.3573439-3-jic23@kernel.orgSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/abituguru3.c

@@ -1127,7 +1127,6 @@ static struct abituguru3_data *abituguru3_update_device(struct device *dev)
 		return NULL;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int abituguru3_suspend(struct device *dev)
 {
 	struct abituguru3_data *data = dev_get_drvdata(dev);
@@ -1146,16 +1145,12 @@ static int abituguru3_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(abituguru3_pm, abituguru3_suspend, abituguru3_resume);
-#define ABIT_UGURU3_PM	(&abituguru3_pm)
-#else
-#define ABIT_UGURU3_PM	NULL
-#endif /* CONFIG_PM */
+static DEFINE_SIMPLE_DEV_PM_OPS(abituguru3_pm, abituguru3_suspend, abituguru3_resume);
 
 static struct platform_driver abituguru3_driver = {
 	.driver = {
 		.name	= ABIT_UGURU3_NAME,
-		.pm	= ABIT_UGURU3_PM
+		.pm	= pm_sleep_ptr(&abituguru3_pm),
 	},
 	.probe	= abituguru3_probe,
 	.remove	= abituguru3_remove,