Staging: iio: adis16209: Change the definition name

The change in the definition name makes it then obvious
what the units are throughout the driver and there will
be no need of the comment.

Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff --git a/drivers/staging/iio/accel/adis16209.c b/drivers/staging/iio/accel/adis16209.c
index 58f604d..830c278 100644
--- a/drivers/staging/iio/accel/adis16209.c
+++ b/drivers/staging/iio/accel/adis16209.c
@@ -20,7 +20,7 @@
 #include <linux/iio/buffer.h>
 #include <linux/iio/imu/adis.h>
 
-#define ADIS16209_STARTUP_DELAY	220 /* ms */
+#define ADIS16209_STARTUP_DELAY_MS	220
 
 /* Flash memory write count */
 #define ADIS16209_FLASH_CNT      0x00
@@ -303,7 +303,7 @@ static const struct adis_data adis16209_data = {
 
 	.self_test_mask = ADIS16209_MSC_CTRL_SELF_TEST_EN,
 	.self_test_no_autoclear = true,
-	.startup_delay = ADIS16209_STARTUP_DELAY,
+	.startup_delay = ADIS16209_STARTUP_DELAY_MS,
 
 	.status_error_msgs = adis16209_status_error_msgs,
 	.status_error_mask = BIT(ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT) |