pncconf - make sserial comboboxes not editable
pncconf - make sserial comboboxes not editable

sserial cards must be choosen so no entry allowed
if the sserial card name can't be found hide the tab
change an internal mux name from MXEU to MXEI as I stands
for index

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