While it's not as useful as the other splashes, this may help showing
issues with early post-framebuffer init. E.g. network or adbd in
stage-1.
The hollow logo is simple to describe, compared to a black and white
one, compared to a full colour one.
This is to allow platforms where the virtual console is not available to
graphically show the state of the system; is it stuck in stage-1, early
stage-2 or is it about to get into systemd's init?
This is still a big hack, though but relatively clean.
This is upstream in-use by google for chromebooks, which means some
support for some advanced things.
This especially means animations can be handled by ply-image if so
desired.
