Add the ASoC drivers for the Freescale MPC8610 SoC and the MPC8610 HPCD reference board. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>