Fix MODULE_LICENSE strings, refer to our documentation of their interpretation
Fix MODULE_LICENSE strings, refer to our documentation of their interpretation

The kernel has never been documented as understanding the string "GPL v2 or later";
the string "GPL" is documented as indicating this intent.

cdsteinkuehler/linuxcnc,cdsteinkuehler/MachineKit,ArcEye/MK-Qt5,RunningLight/machinekit,strahlex/machinekit,Cid427/machinekit,cdsteinkuehler/linuxcnc,RunningLight/machinekit,unseenlaser/machinekit,ArcEye/MK-Qt5,araisrobo/machinekit,bmwiedemann/linuxcnc-mirror,ArcEye/machinekit-testing,EqAfrica/machinekit,unseenlaser/machinekit,araisrobo/machinekit,RunningLight/machinekit,araisrobo/machinekit,EqAfrica/machinekit,ArcEye/machinekit-testing,araisrobo/machinekit,EqAfrica/machinekit,strahlex/machinekit,bmwiedemann/linuxcnc-mirror,EqAfrica/machinekit,bobvanderlinden/machinekit,mhaberler/machinekit,ikcalB/linuxcnc-mirror,strahlex/machinekit,ArcEye/MK-Qt5,araisrobo/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,bobvanderlinden/machinekit,unseenlaser/machinekit,mhaberler/machinekit,ArcEye/machinekit-testing,kinsamanka/machinekit,Cid427/machinekit,kinsamanka/machinekit,bobvanderlinden/machinekit,bobvanderlinden/machinekit,RunningLight/machinekit,Cid427/machinekit,ArcEye/machinekit-testing,ikcalB/linuxcnc-mirror,cdsteinkuehler/MachineKit,cdsteinkuehler/linuxcnc,mhaberler/machinekit,araisrobo/machinekit,strahlex/machinekit,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,ArcEye/MK-Qt5,strahlex/machinekit,unseenlaser/machinekit,RunningLight/machinekit,araisrobo/machinekit,Cid427/machinekit,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,cdsteinkuehler/linuxcnc,ArcEye/MK-Qt5,mhaberler/machinekit,RunningLight/machinekit,RunningLight/machinekit,bobvanderlinden/machinekit,kinsamanka/machinekit,kinsamanka/machinekit,ArcEye/MK-Qt5,bmwiedemann/linuxcnc-mirror,kinsamanka/machinekit,ArcEye/machinekit-testing,bmwiedemann/linuxcnc-mirror,strahlex/machinekit,EqAfrica/machinekit,EqAfrica/machinekit,unseenlaser/machinekit,Cid427/machinekit,EqAfrica/machinekit,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,EqAfrica/machinekit,ArcEye/machinekit-testing,kinsamanka/machinekit,cdsteinkuehler/MachineKit,mhaberler/machinekit,ArcEye/machinekit-testing,cdsteinkuehler/linuxcnc,Cid427/machinekit,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ArcEye/MK-Qt5,RunningLight/machinekit,unseenlaser/machinekit,cdsteinkuehler/MachineKit,mhaberler/machinekit,mhaberler/machinekit,araisrobo/machinekit,Cid427/machinekit,cdsteinkuehler/MachineKit,cdsteinkuehler/MachineKit,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,araisrobo/machinekit,bobvanderlinden/machinekit,ArcEye/MK-Qt5,Cid427/machinekit,ikcalB/linuxcnc-mirror,unseenlaser/machinekit,strahlex/machinekit