spi/s3c64xx: Rely on the compiler eliminating the OF ID table

This should work with modern compilers, isn't that much of an issue if
it goes wrong and it ensures that the DT-only hardware variants don't
leave unreferenced parameters structures lying around.

Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index d170cc0..ecc0f06 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1641,7 +1641,6 @@
 	{ },
 };
 
-#ifdef CONFIG_OF
 static const struct of_device_id s3c64xx_spi_dt_match[] = {
 	{ .compatible = "samsung,exynos4210-spi",
 			.data = (void *)&exynos4_spi_port_config,
@@ -1652,7 +1651,6 @@
 	{ },
 };
 MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match);
-#endif /* CONFIG_OF */
 
 static struct platform_driver s3c64xx_spi_driver = {
 	.driver = {