ssa.c: use [sm pr]db_mode as argument when ssa_db_load called

rather than SSA_DB_HELPER_DEBUG

In case of loading SMDB / PRDB its mode is
determined through smdb_dump / prdb_dump
parameters accordingly, which are configured
through ibssa_opts.cfg file.

Signed-off-by: Ilya Nelkenbaum <ilyan@mellanox.com>
Signed-off-by: Hal Rosenstock <hal@mellanox.com>