gladevcp: Cleanup HAL Led a bit
gladevcp: Cleanup HAL Led a bit

Remove set_source_color_alpha function and select proper color
instead. Restore Radial Gradient for round leds (but don't enable)

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