am c26e258c: am 9eb1a4fc: audio: add support for HDMI and speaker combo device

* commit 'c26e258cea80ab7197e527d06097cd6999df49a9':
  audio: add support for HDMI and speaker combo device
tree: 848215b7a99366aba1896b2e7bc2357f97ac00c9
  1. alsa_sound/
  2. libalsa-intf/
  3. Android.mk