Convert CONFIG_SPL_SERIAL_SUPPORT to Kconfig
Move this option to Kconfig and tidy up existing uses.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/mx6cuboxi_defconfig b/configs/mx6cuboxi_defconfig
index 4abd7ab..e09e285 100644
--- a/configs/mx6cuboxi_defconfig
+++ b/configs/mx6cuboxi_defconfig
@@ -8,6 +8,7 @@
CONFIG_SPL_I2C_SUPPORT=y
CONFIG_SPL_LIBDISK_SUPPORT=y
CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6QDL"
CONFIG_SPL=y
CONFIG_HUSH_PARSER=y