Changeset 76c356f in rtems

Patch from Aleksey (Quality Quorum <qqi@…>) to change the
delay loop in this BSP. Here is his response to a question about
the patch:

Yes, or that other machine has a different chipset with different
timing requirements on enabling Gate 20. I am strongly suspecting
that it may some how related to the video card I am using (on my
old P-75 target it was plain PCI VGA, on my new one it is Diamond Stealth
3D 2000).