[pymtl.tools.trans] collect only posedge_clk/tick_rtl blocks
[pymtl.tools.trans] collect only posedge_clk/tick_rtl blocks

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