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/bf527-ezkit_defconfig b/configs/bf527-ezkit_defconfig
index 0b63ece..eff2a12 100644
--- a/configs/bf527-ezkit_defconfig
+++ b/configs/bf527-ezkit_defconfig
@@ -6,9 +6,13 @@
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_SNTP=y
 CONFIG_CMD_DNS=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_FAT=y
 CONFIG_NET_RANDOM_ETHADDR=y
 # CONFIG_NET_TFTP_VARS is not set
 CONFIG_SPI_FLASH=y