K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2020-10-04T06:12:52.192301Z
K 7
svn:log
V 270
MFC: r366228

Report the kernel console on the boot screen
Report what console the boot loader is telling the kernel to use:
            o Dual (Serial Primary)
            o Dual (Video Primary)
            o Serial
            o Video
and allow toggling between them.

END