Kconfig: CONFIG_OF_PLATDATA doesn't really exist

There is no CONFIG_OF_PLATDATA, only CONFIG_SPL_OF_PLATDATA, so rename
the two references to CONFIG_OF_PLATDATA to CONFIG_SPL_OF_PLATDATA.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/common/spl/spl.c b/common/spl/spl.c
index a76ea3a..e512ee0 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -248,7 +248,7 @@
 		}
 	}
 	if (IS_ENABLED(CONFIG_SPL_DM)) {
-		/* With CONFIG_OF_PLATDATA, bring in all devices */
+		/* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
 		ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
 		if (ret) {
 			debug("dm_init_and_scan() returned error %d\n", ret);
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index b26ada3..b11f3ff 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -352,7 +352,7 @@
 	depends on DM_SERIAL && SPL_OF_PLATDATA
 	help
 	  Select this to enable a debug UART for Rockchip devices when using
-	  CONFIG_OF_PLATDATA (i.e. a compiled-in device tree replacemenmt).
+	  CONFIG_SPL_OF_PLATDATA (i.e. a compiled-in device tree replacemenmt).
 	  This uses the ns16550 driver, converting the platdata from of-platdata
 	  to the ns16550 format.
 
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 1ad9f7e..d7244c5 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -2229,7 +2229,6 @@
 CONFIG_OFF_PADCONF
 CONFIG_OF_
 CONFIG_OF_IDE_FIXUP
-CONFIG_OF_PLATDATA
 CONFIG_OF_SPI
 CONFIG_OF_SPI_FLASH
 CONFIG_OF_STDOUT_PATH