core: osinfo - change OSs audio device

Esentially old OSs[1] supports ac97 emulated sound device while all the
new supports ich6 - intell HD audio definition.

[1] RHEL 3,4,5, Windows XP, Windows 2003 32/64

Change-Id: I1a614d7be71cae8beaf1df36056b6945f84ae981
Bug-Url: https://bugzilla.redhat.com/1002695
Signed-off-by: Roy Golan <rgolan@redhat.com>