xf86-video-ast: Changes to 'master'

[Y.C. Chen]

 src/ast.h         |   25 
 src/ast_driver.c  |   21 
 src/ast_mode.c    |    9 
 src/ast_vgatool.c | 4048 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/ast_vgatool.h |    4 
 5 files changed, 4049 insertions(+), 58 deletions(-)

New commits:
commit 2a2ecb551781d89e8e2a3123bb7d5b20ee807953
Author: Y.C. Chen <yc_chen at aspeedtech.com>
Date:   Fri Mar 14 22:52:11 2014 +0800

     Support DP501 Output