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/mx6slevk_spl_defconfig b/configs/mx6slevk_spl_defconfig
index 85c05e7..c021b39 100644
--- a/configs/mx6slevk_spl_defconfig
+++ b/configs/mx6slevk_spl_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_BMODE is not set
 CONFIG_DEFAULT_DEVICE_TREE="imx6sl-evk"
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
+CONFIG_SUPPORT_RAW_INITRD=y
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_SPL=y
 CONFIG_SPL_EXT_SUPPORT=y