Comment # 4 on bug 1053559 from Josef Reidinger

Thanks for report. For Leap15 and TW we currently add screen showing that we
cannot handle it for now. I keep bug open as for future we need to improve
console handling as grub2 allows even more various terminal settings and we
should handle it.

PR with popup https://github.com/yast/yast-bootloader/pull/493