drivers/iio/gyro/mpu3050-core.c: This patch fix the following checkpatch warning.

As per Documentation/timers/timers-howto.txt Msleep < 20ms can sleep for
up to 20ms. so use usleep_range.
Signed-off-by: Mohan Kumar <mohankumar718@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/gyro/mpu3050-core.c

@@ -864,7 +864,7 @@ static int mpu3050_power_up(struct mpu3050 *mpu3050)
 		dev_err(mpu3050->dev, "error setting power mode\n");
 		return ret;
 	}
-	msleep(10);
+	usleep_range(10000, 20000);
 
 	return 0;
 }