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/M5475BFE_defconfig b/configs/M5475BFE_defconfig
index fbf074f..e808658 100644
--- a/configs/M5475BFE_defconfig
+++ b/configs/M5475BFE_defconfig
@@ -3,6 +3,8 @@
 CONFIG_TARGET_M5475EVB=y
 CONFIG_SYS_EXTRA_OPTIONS="SYS_BUSCLK=133333333,SYS_BOOTSZ=2,SYS_DRAMSZ=64,SYS_NOR1SZ=16"
 CONFIG_BOOTDELAY=1
+# CONFIG_CMDLINE_EDITING is not set
+# CONFIG_AUTO_COMPLETE is not set
 CONFIG_SYS_PROMPT="-> "
 CONFIG_CMD_IMLS=y
 CONFIG_CMD_I2C=y