Add missing lex/yacc dependency for mkesdb/mkcsmapper bootstrap

This causes build failures on macOS where the build can end up invoking
an incompatible m4 binary.

Fxies: 2de949cf85d0 ("Remove mkcsmapper_static and mkesdb_static from build-tools")
(cherry picked from commit cc1345056b113d57f0c65b0ecf3e3d5da3f34276)