ALSA: hda-beep: Update authors dead email address

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_beep.h

 /*
  * Digital Beep Input Interface for HD-audio codec
  *
- * Author: Matthew Ranostay <mranostay@embeddedalley.com>
+ * Author: Matt Ranostay <mranostay@gmail.com>
  * Copyright (c) 2008 Embedded Alley Solutions Inc
  *
  *  This driver is free software; you can redistribute it and/or modify