treewide: Simply conditions with the new OF_REAL

Use this new Kconfig to simplify the compilation conditions where
appropriate.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index 8fd4176..35a8e21 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -665,7 +665,7 @@
 	.set_ios	= mxsmmc_set_ios,
 };
 
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 static int mxsmmc_of_to_plat(struct udevice *bus)
 {
 	struct mxsmmc_plat *plat = dev_get_plat(bus);
@@ -709,7 +709,7 @@
 U_BOOT_DRIVER(fsl_imx23_mmc) = {
 	.name = "fsl_imx23_mmc",
 	.id	= UCLASS_MMC,
-#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	.of_match = mxsmmc_ids,
 	.of_to_plat = mxsmmc_of_to_plat,
 #endif