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/vct_platinumavc_defconfig b/configs/vct_platinumavc_defconfig
index 92a3027..c47f102 100644
--- a/configs/vct_platinumavc_defconfig
+++ b/configs/vct_platinumavc_defconfig
@@ -2,8 +2,10 @@
 CONFIG_TARGET_VCT=y
 CONFIG_VCT_PLATINUMAVC=y
 CONFIG_SYS_PROMPT="VCT# "
+CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NET is not set
+CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_SYS_NS16550=y
 CONFIG_USE_PRIVATE_LIBGCC=y