This adds a "list" command-line argument.
This adds a "list" command-line argument.

"bfload list" just probes for PCI cards and prints out what it finds.

bmwiedemann/linuxcnc-mirror,ArcEye/machinekit-testing,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,bobvanderlinden/machinekit,araisrobo/linuxcnc,Cid427/machinekit,jaguarcat79/ILC-with-LinuxCNC,araisrobo/machinekit,ikcalB/linuxcnc-mirror,ianmcmahon/linuxcnc-mirror,aschiffler/linuxcnc,mhaberler/machinekit,strahlex/machinekit,ArcEye/MK-Qt5,cdsteinkuehler/linuxcnc,ianmcmahon/linuxcnc-mirror,EqAfrica/machinekit,cnc-club/linuxcnc,strahlex/machinekit,kinsamanka/machinekit,araisrobo/linuxcnc,kinsamanka/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,yishinli/emc2,RunningLight/machinekit,RunningLight/machinekit,araisrobo/machinekit,RunningLight/machinekit,jaguarcat79/ILC-with-LinuxCNC,cdsteinkuehler/linuxcnc,strahlex/machinekit,araisrobo/linuxcnc,cdsteinkuehler/MachineKit,cdsteinkuehler/linuxcnc,ianmcmahon/linuxcnc-mirror,cnc-club/linuxcnc,strahlex/machinekit,narogon/linuxcnc,bobvanderlinden/machinekit,cdsteinkuehler/MachineKit,mhaberler/machinekit,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/machinekit,araisrobo/linuxcnc,ikcalB/linuxcnc-mirror,EqAfrica/machinekit,araisrobo/machinekit,bmwiedemann/linuxcnc-mirror,RunningLight/machinekit,ArcEye/MK-Qt5,araisrobo/machinekit,unseenlaser/machinekit,ArcEye/MK-Qt5,yishinli/emc2,unseenlaser/linuxcnc,kinsamanka/machinekit,cdsteinkuehler/MachineKit,araisrobo/machinekit,EqAfrica/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,ianmcmahon/linuxcnc-mirror,kinsamanka/machinekit,EqAfrica/machinekit,mhaberler/machinekit,narogon/linuxcnc,ArcEye/machinekit-testing,Cid427/machinekit,Cid427/machinekit,jaguarcat79/ILC-with-LinuxCNC,aschiffler/linuxcnc,mhaberler/machinekit,aschiffler/linuxcnc,EqAfrica/machinekit,unseenlaser/linuxcnc,mhaberler/machinekit,narogon/linuxcnc,mhaberler/machinekit,Cid427/machinekit,unseenlaser/machinekit,ArcEye/MK-Qt5,ArcEye/MK-Qt5,RunningLight/machinekit,araisrobo/machinekit,ianmcmahon/linuxcnc-mirror,cnc-club/linuxcnc,ArcEye/machinekit-testing,cnc-club/linuxcnc,unseenlaser/machinekit,Cid427/machinekit,araisrobo/linuxcnc,RunningLight/machinekit,unseenlaser/linuxcnc,kinsamanka/machinekit,bobvanderlinden/machinekit,yishinli/emc2,unseenlaser/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,cnc-club/linuxcnc,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,Cid427/machinekit,ArcEye/machinekit-testing,cnc-club/linuxcnc,bmwiedemann/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,bmwiedemann/linuxcnc-mirror,bobvanderlinden/machinekit,ArcEye/MK-Qt5,cdsteinkuehler/linuxcnc,araisrobo/machinekit,kinsamanka/machinekit,bmwiedemann/linuxcnc-mirror,ArcEye/machinekit-testing,bobvanderlinden/machinekit,strahlex/machinekit,bobvanderlinden/machinekit,aschiffler/linuxcnc,Cid427/machinekit,ianmcmahon/linuxcnc-mirror,EqAfrica/machinekit,cdsteinkuehler/MachineKit,jaguarcat79/ILC-with-LinuxCNC,cdsteinkuehler/MachineKit,araisrobo/machinekit,yishinli/emc2,cdsteinkuehler/linuxcnc,unseenlaser/linuxcnc,araisrobo/machinekit,ArcEye/MK-Qt5,mhaberler/machinekit,unseenlaser/machinekit,ArcEye/machinekit-testing,unseenlaser/machinekit,cdsteinkuehler/MachineKit,narogon/linuxcnc,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,strahlex/machinekit,ArcEye/MK-Qt5,cnc-club/linuxcnc,strahlex/machinekit,RunningLight/machinekit,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,narogon/linuxcnc,aschiffler/linuxcnc,bobvanderlinden/machinekit,kinsamanka/machinekit,unseenlaser/machinekit,EqAfrica/machinekit,EqAfrica/machinekit