* packages/phist, re #26002: force phist to use MPI compiler wrappers (copied from trilinos package)
* packages/phist re #26002, use cmake-provded FindMPI module only
* packages/phist source code formatting
* packages/phist: set MPI_HOME rather than MPI_BASE_DIR, thanks @sethri.
* phist: delete own FindMPI.cmake for older versions (rather than patching it away)
* packages/phist: remove blank line
* phist: adjust sorting of imports
* phist: change order of imports