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/qemu-x86_defconfig b/configs/qemu-x86_defconfig
index 2e891e2..53b1ff6 100644
--- a/configs/qemu-x86_defconfig
+++ b/configs/qemu-x86_defconfig
@@ -21,6 +21,11 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_BOOTSTAGE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
 CONFIG_CPU=y
 CONFIG_SPI_FLASH=y