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/wtk_defconfig b/configs/wtk_defconfig
index 25ce098..8c163fb 100644
--- a/configs/wtk_defconfig
+++ b/configs/wtk_defconfig
@@ -5,4 +5,6 @@
 CONFIG_SYS_EXTRA_OPTIONS="LCD,SHARP_LQ065T9DR51U"
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_SNTP=y
 CONFIG_OF_LIBFDT=y