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/spear310_usbtty_nand_defconfig b/configs/spear310_usbtty_nand_defconfig
index a4d8fdc..81883144 100644
--- a/configs/spear310_usbtty_nand_defconfig
+++ b/configs/spear310_usbtty_nand_defconfig
@@ -1,6 +1,9 @@
 CONFIG_ARM=y
 CONFIG_TARGET_SPEAR310=y
 CONFIG_SYS_EXTRA_OPTIONS="spear310,usbtty,nand"
+CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_NETDEVICES=y
 CONFIG_ETH_DESIGNWARE=y