xf86-video-ast: Changes to 'master'

[Y.C. Chen]

 src/ast.h         |   17 
 src/ast_driver.c  |   21 
 src/ast_mode.c    |    9 
 src/ast_vgatool.c | 4049 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/ast_vgatool.h |    4 
 5 files changed, 4046 insertions(+), 54 deletions(-)

New commits:
commit 0bbae30ffc6a18dd5335380c9808ce3f69ecb7cf
Author: Y.C. Chen <yc_chen at aspeedtech.com>
Date:   Wed Mar 19 09:48:51 2014 +0800

    Support DP501 Display Output