CMakeLists.txt: Rewrite to not use the pogo preference files (!7) · Merge requests · tango-controls / TangoAccessControl · GitLab

CMakeLists.txt inspired from starter and TangoDatabase. FindMySQL.cmake taken from https://gitlab.com/tango-controls/TangoDatabase/-/blob/main/configure/FindMySQL.cmake
Fix compilation with newer version of mysql (same fix as TangoDatabase!24 (diffs))