iio:accel:dmard09: Tidy up white space around {} in id table

Previously inconsistent with a space after { but not before }.
Tidy that up to avoid providing a bad example that might get
copied into other drivers.

Signed-off-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Gwendal Grignou <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/iio/accel/dmard09.c

···
 }
 
 static const struct i2c_device_id dmard09_id[] = {
-	{ "dmard09", 0},
+	{ "dmard09", 0 },
 	{ },
 };