stirom: Add 6x13 and 10x20 fonts, replace 8x16 font

Add additional fonts to STI ROM.
They can be selected with qemu command-line options:
    -fw_cfg opt/font,string=1       - a HP 8x16 font
    -fw_cfg opt/font,string=2       - a HP 6x13 font
    -fw_cfg opt/font,string=3       - a HP 10x20 font
    -fw_cfg opt/font,string=4       - a Linux 16x32 font

Signed-off-by: Helge Deller <deller@gmx.de>
1 file changed