adding RISCV-specific architecture detection 
adding RISCV-specific architecture detection 


tangyibin/goblin-core,tangyibin/goblin-core,hoangt/goblin-core,hoangt/goblin-core,hoangt/goblin-core,tangyibin/goblin-core,hoangt/goblin-core,hoangt/goblin-core,tangyibin/goblin-core,tangyibin/goblin-core,tangyibin/goblin-core,tangyibin/goblin-core,hoangt/goblin-core,hoangt/goblin-core,tangyibin/goblin-core,tangyibin/goblin-core,tangyibin/goblin-core,hoangt/goblin-core,hoangt/goblin-core,hoangt/goblin-core,hoangt/goblin-core,tangyibin/goblin-core