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_onenand_defconfig b/configs/vct_platinumavc_onenand_defconfig
index 87767bd..e7aef31 100644
--- a/configs/vct_platinumavc_onenand_defconfig
+++ b/configs/vct_platinumavc_onenand_defconfig
@@ -5,8 +5,10 @@
 CONFIG_SYS_PROMPT="$ "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+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