iio: imu: inv_mpu6050: Remove casting the return value which is a void pointer

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 0c6517c..b75519d 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -673,8 +673,7 @@
 
 	st = iio_priv(indio_dev);
 	st->client = client;
-	pdata = (struct inv_mpu6050_platform_data
-			*)dev_get_platdata(&client->dev);
+	pdata = dev_get_platdata(&client->dev);
 	if (pdata)
 		st->plat_data = *pdata;
 	/* power is turned on inside check chip type*/