- Update SimpleSSD to v2.0-rc4
 - Update gem5 to gem5:e404ddd
 - Update NVMe Interface
   - Exception handling of schedule function
 - Fix PL390 GIC ID from CoreLink GIC-400 to PL390 for kernel 4.17
   - GIC_CPU_ACTIVEPRIO (0xd0) is not defined in PL390