Convert CONFIG_BOARD_EARLY_INIT_F et al to Kconfig

This converts the following to Kconfig:
   CONFIG_BOARD_EARLY_INIT_F
   CONFIG_BOARD_LATE_INIT
   CONFIG_DISPLAY_BOARDINFO
   CONFIG_DISPLAY_BOARDINFO_LATE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/imx8ulp_evk_defconfig b/configs/imx8ulp_evk_defconfig
index 12c0e5e..b8f18c0 100644
--- a/configs/imx8ulp_evk_defconfig
+++ b/configs/imx8ulp_evk_defconfig
@@ -25,6 +25,8 @@
 CONFIG_BOOTDELAY=0
 CONFIG_BOOTCOMMAND="run distro_bootcmd;run bsp_bootcmd"
 CONFIG_DEFAULT_FDT_FILE="imx8ulp-evk"
+CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_BOARD_LATE_INIT=y
 CONFIG_SPL_BOARD_INIT=y
 CONFIG_SPL_BOOTROM_SUPPORT=y
 CONFIG_SPL_SEPARATE_BSS=y