xf86-video-intel: Changes to 'display-port'

[Keith Packard]

New branch 'display-port' available with the following commits:
commit b5af08d59a41e61229ac7b4adf3b5128c70382cc
Author: Keith Packard <keithp at keithp.com>
Date:   Sun Dec 7 01:45:21 2008 -0800

    lvds hacks to get more modes

commit 5ab5286950ce4e1ecb13f8138c64ee114d7902ba
Author: Keith Packard <keithp at keithp.com>
Date:   Sun Dec 7 01:43:21 2008 -0800

    Add first Display Port code. Fails to train the link.
    
    Includes code to talk over the AUX channel and non-working link training
    code.
    
    Signed-off-by: Keith Packard <keithp at keithp.com>