vgabios: Don't allow building of emulator vgaroms on coreboot.

If coreboot building is selected, don't allow the emulator based vga
roms to be selected.  Also, clarify the help text to make this clear.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
1 file changed
tree: 8100cf9e070e8598144ffb814f286e97f64edbf6
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. TODO
  7. src/
  8. tools/
  9. vgasrc/