configs: Re-sync almost all of cmd/Kconfig

This syncs up the current cmd/Kconfig and include/configs/ files with the
only exception being CMD_NAND.  Due to how we have used this historically
we need to take further care here when converting.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/kmtepr2_defconfig b/configs/kmtepr2_defconfig
index 61c943f..e049219 100644
--- a/configs/kmtepr2_defconfig
+++ b/configs/kmtepr2_defconfig
@@ -5,5 +5,11 @@
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_SYS_EXTRA_OPTIONS="KMTEPR2"
 CONFIG_HUSH_PARSER=y
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT="Hit <SPACE> key to stop autoboot in %2ds\n"
+CONFIG_AUTOBOOT_STOP_STR=" "
+CONFIG_CMD_I2C=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y