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>

configs/A13-OLinuXinoM_defconfig

@@ -17,6 +17,9 @@ CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=2"
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_I2C=y
 # CONFIG_CMD_FPGA is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_SUNXI_NO_PMIC=y
 CONFIG_USB_EHCI_HCD=y