configs: Re-sync with cmd/Kconfig

Update the config.h and defconfig files for the commands that 8e3c036
converted over to Kconfig

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ea20_defconfig b/configs/ea20_defconfig
index 2c0f1e8..d6e51f8 100644
--- a/configs/ea20_defconfig
+++ b/configs/ea20_defconfig
@@ -4,6 +4,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="ea20 > "
 # CONFIG_CMD_IMLS is not set
+CONFIG_CMD_ASKENV=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
@@ -11,6 +12,7 @@
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y