EXPERIMENTAL: handle GPU DATA 1F command which should be GPU IRQ request. Fixes MML2 ending white screen before credits. Possibly fixes others also by obsoleting InuYasha fix. Hopefully breaks nothing.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@87828 e17a0e51-4ae3-4d35-97c3-1a29b211df97
peopsgl/xvideo: fixed interlace/frame bit31 toggling. Now X-Men Academies are fine. Obsoletes use of odd/even hack.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@87829 e17a0e51-4ae3-4d35-97c3-1a29b211df97