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/am335x_igep0033_defconfig b/configs/am335x_igep0033_defconfig
index f859d38..ab6d47f 100644
--- a/configs/am335x_igep0033_defconfig
+++ b/configs/am335x_igep0033_defconfig
@@ -10,6 +10,7 @@
CONFIG_SPL_MMC_SUPPORT=y
CONFIG_SPL_NAND_SUPPORT=y
CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SPL_STACK_R_ADDR=0x82000000
CONFIG_VERSION_VARIABLE=y
CONFIG_SPL=y