Take the size of the audio data into account when checking for the loop address.  Fixes the static audio in the FMV of Megaman X Collection, Pac Man World 2, off pitched instruments in Skies of Arcadia and audio desync in the Taiko no Tatsujin series.

Fixes:
issue 7154
issue 7222
issue 7280
issue 7457
Merge pull request #929 from skidau/dsp-acc-loop

Take the size of the audio data into account when checking for the loop address