Fix merge of hipsolver, NCCL/RCCL bugs
- Fix hipsolver merge problem
- Fix RCCL bug, correctness tested on LUMI
- Fix NCCL bugs: NCCL codepath was disactivated in elpa1/tridiag_template.F90, invert_trm_template.F90, and multiply_a_b/elpa_multiply_a_b_template.F90
- Change bool->int in ELPA1 tridiagonalization C-backend and Fortran interfaces