Fixes kernel boot.
Fixes kernel boot.

For some reason earlyprintk=serial was causing the boot process
to get stuck. I'm not entirely sure why unfortunately.

hooklift/xhyve,hooklift/xhyve,hooklift/xhyve,TheNewNormal/libxhyve,TheNewNormal/libxhyve,TheNewNormal/libxhyve