Commit "297613f1c7 package/lua: remove 5.2.x version" tried to add
legacy handling but the new symbols are part of a choice, and Kconfig
does not enforce the select of a option from a choice.
Update the legacy entry for 2019.02, following the example described in
the beginning of the file.
Cc: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>