adding user-visible register spec section to new arch spec 
adding user-visible register spec section to new arch spec 


HackLinux/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,dededong/goblin-core,dededong/goblin-core,HackLinux/goblin-core,HackLinux/goblin-core,dededong/goblin-core,dededong/goblin-core,dededong/goblin-core,dededong/goblin-core,HackLinux/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core