i3c/master/mipi-i3c-hci: quiet maybe-unused variable warning

If CONFIG_OF is disabled then the matching table is notreferenced.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>

drivers/i3c/master/mipi-i3c-hci/core.c

@@ -777,7 +777,7 @@ static int i3c_hci_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static const struct of_device_id i3c_hci_of_match[] = {
+static const struct __maybe_unused of_device_id i3c_hci_of_match[] = {
 	{ .compatible = "mipi-i3c-hci", },
 	{},
 };