iio:proximity:rfd77402: White space cleanup of spacing around {} in id tables

The spacing in this driver was inconsistent with a space after the {
but not before the }.  Tidy this up to avoid providing a bad example
to copy into new drivers.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Link: https://lore.kernel.org/r/20211230174911.78291-8-jic23@kernel.org

drivers/iio/proximity/rfd77402.c

@@ -310,7 +310,7 @@ static int rfd77402_resume(struct device *dev)
 static SIMPLE_DEV_PM_OPS(rfd77402_pm_ops, rfd77402_suspend, rfd77402_resume);
 
 static const struct i2c_device_id rfd77402_id[] = {
-	{ "rfd77402", 0},
+	{ "rfd77402", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, rfd77402_id);