configs: synquacer: Drop Ext2/4 support by default

Since the U-Boot for the SynQuacer DeveloperBox is designed for
compatible with EDK2 boot, we don't need to support Ext2/4 fs
support by default. Drop it.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
1 file changed