Binary packages for MySQL 5.5.56 are identical to those for MySQL 5.5.55, except for the version number. The change in 5.5.56 for Bug #25942414 is applicable only to those who build from source.
nois no longer a permitted value or the default value. The default is now
bundled. Consequently, MySQL now is always built with SSL support and cannot be built without some SSL library. (Bug #25942414)