ssa_db_helper.c: add malloc failure handling in ssa_db_load

Signed-off-by: Ilya Nelkenbaum <ilyan@mellanox.com>
Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa_db_helper.c: add arrays malloc failure handling in ssa_db_load_allocate_new

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