rz-mux-tool: use cfg_port_map
rz-mux-tool: use cfg_port_map

yuvadm/rhizi,cben/rhizi,yuvadm/rhizi,tlevine/rhizi,ozFri/rhizi,tlevine/rhizi,Rhizi/rhizi,ozFri/rhizi,ozFri/rhizi,cben/rhizi,Rhizi/rhizi,tlevine/rhizi,tlevine/rhizi,Rhizi/rhizi,yuvadm/rhizi,ozFri/rhizi,shlomif/rhizi,Rhizi/rhizi,yuvadm/rhizi,cben/rhizi,shlomif/rhizi,shlomif/rhizi,shlomif/rhizi,cben/rhizi