to be compiled into every driver making use of it. Use a const instance
of struct gfb_font for this as the font isn't intended to be changed at
run-time and in order to accompany the font data with height and width
info.
These are fixed resolution and operate only in pixel mode so they present
a challenge to syscons (square peg, round hole, etc, etc). The driver
provides a video driver interface for syscons and a separate character
device for X to mmap. Wherever possible the creator's accelarated graphics
functions are used so text mode is very fast.
Based roughly on the openbsd driver.
