1. SPU and ARM both update
2. 8 APE and 3 RFM(no pet_rfm_spu0) support hearbeat
3. ARM support new function get_heartbeat_status() to get the cores status
4. test:
4.1 spu(case34)+arm(case5): Pass
4.2 spu(case44)+arm(case5): Pass --> spu(case44)should use previous version
4.3 spu(case21)+arm(case21):Pass
4.4 spu(case14)+arm(case3): Pass