treewide: Use OF_REAL instead of !OF_PLATDATA

Now that we have a 'positive' Kconfig option, use this instead of the
negative one, which is harder to understand.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3188.c b/drivers/pinctrl/rockchip/pinctrl-rk3188.c
index 06d53e2..9a982cb 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rk3188.c
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3188.c
@@ -126,7 +126,7 @@
 	.of_match	= rk3188_pinctrl_ids,
 	.priv_auto	= sizeof(struct rockchip_pinctrl_priv),
 	.ops		= &rockchip_pinctrl_ops,
-#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_REAL)
 	.bind		= dm_scan_fdt_dev,
 #endif
 	.probe		= rockchip_pinctrl_probe,