Bintool.version already contains everything required to get the version
out of lz4 binary so let's not override it with its own implementation.
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Add a Bintool for this, which is used to compress and decompress data.
It supports the features needed by binman as well as installing via the
lz4 package.
Signed-off-by: Simon Glass <sjg@chromium.org>
