Convert CONFIG_BOOTP_BOOTPATH et al to Kconfig

This converts the following to Kconfig:
   CONFIG_BOOTP_BOOTPATH
   CONFIG_BOOTP_DNS
   CONFIG_BOOTP_GATEWAY
   CONFIG_BOOTP_HOSTNAME
   CONFIG_BOOTP_PXE
   CONFIG_BOOTP_SUBNETMASK
   CONFIG_CMDLINE_EDITING
   CONFIG_AUTO_COMPLETE
   CONFIG_SYS_LONGHELP
   CONFIG_SUPPORT_RAW_INITRD
   CONFIG_ENV_VARS_UBOOT_CONFIG

Signed-off-by: Adam Ford <aford173@gmail.com>
[trini: Re-run the migration]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/stm32h743-disco_defconfig b/configs/stm32h743-disco_defconfig
index 08ee6b1..ea1405d 100644
--- a/configs/stm32h743-disco_defconfig
+++ b/configs/stm32h743-disco_defconfig
@@ -5,6 +5,7 @@
 CONFIG_STM32H7=y
 CONFIG_TARGET_STM32H743_DISCO=y
 CONFIG_DEFAULT_DEVICE_TREE="stm32h743i-disco"
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
 CONFIG_BOOTDELAY=3
 CONFIG_DEFAULT_FDT_FILE="stm32h743i-disco"
 # CONFIG_DISPLAY_CPUINFO is not set