[proc] fix scoreboard clear bug when load stalls!
[proc] fix scoreboard clear bug when load stalls!

cornell-brg/pymtl,tj93/pymtl,jjffryan/pymtl,Glyfina-Fernando/pymtl,cfelton/pymtl,jjffryan/pymtl,jjffryan/pymtl,tj93/pymtl,cornell-brg/pymtl,12yujim/pymtl,Glyfina-Fernando/pymtl,Glyfina-Fernando/pymtl,12yujim/pymtl,jck/pymtl,tj93/pymtl,jck/pymtl,cfelton/pymtl,12yujim/pymtl,cornell-brg/pymtl,jck/pymtl,cfelton/pymtl