Remove unofficial P6BXT-A+ BIOS (#489)

Merge pull request #488 from 86Box/obattler_new

Add the Pioneer Vantage 4865C-25/33 and the Samsung SPC-7500P BIOS'es.

Merge pull request #486 from jriwanek-forks/jride

ROM for jride

Merge pull request #444 from unreal9010/master

Add 3 more ABIT AB-BX6 BIOSes

Merge pull request #440 from Domppari/new_track_based_fdd_audio_sampl…

…es_and_new_drives

Remove fdd audio samples from ROM set

Rename HP Vectra Series 2 directory to match new internal name (#420)

Merge pull request #395 from Domppari/new_fdd_audio_profiles_cfg

Initial audio profile settings - identical with hard-coded ones used before

Merge pull request #392 from MaxwellS04/GA686BX

Add eight BIOS revisions' ROMs to Gigabyte GA-5AX and GA-686BX

Merge pull request #381 from 86Box/obattler_new

The latest ABIT BX6 BIOS.

Merge pull request #369 from 86Box/tc1995

Actually fix the ATI 8514/A add-on bios.