platform/chrome: cros_ec_sensorhub: simplify getting .driver_data

We should get 'driver_data' from 'struct device' directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210920090522.23784-9-wsa+renesas@sang-engineering.com

drivers/platform/chrome/cros_ec_sensorhub.c

@@ -224,8 +224,7 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
  */
 static int cros_ec_sensorhub_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct cros_ec_sensorhub *sensorhub = platform_get_drvdata(pdev);
+	struct cros_ec_sensorhub *sensorhub = dev_get_drvdata(dev);
 	struct cros_ec_dev *ec = sensorhub->ec;
 
 	if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO))
@@ -235,8 +234,7 @@ static int cros_ec_sensorhub_suspend(struct device *dev)
 
 static int cros_ec_sensorhub_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct cros_ec_sensorhub *sensorhub = platform_get_drvdata(pdev);
+	struct cros_ec_sensorhub *sensorhub = dev_get_drvdata(dev);
 	struct cros_ec_dev *ec = sensorhub->ec;
 
 	if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO))