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/pxm2_defconfig b/configs/pxm2_defconfig
index 6063259..e689d0f 100644
--- a/configs/pxm2_defconfig
+++ b/configs/pxm2_defconfig
@@ -16,6 +16,7 @@
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_SPL_FAT_SUPPORT=y
 CONFIG_DEFAULT_DEVICE_TREE="am335x-pxm50"
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
@@ -54,6 +55,9 @@
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_ENV_IS_IN_NAND=y
+CONFIG_BOOTP_DNS=y
+CONFIG_BOOTP_GATEWAY=y
+CONFIG_BOOTP_SUBNETMASK=y
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_DFU_NAND=y
 CONFIG_MMC_OMAP_HS=y