ALSA: hda - add generic functions to set hdac stream params

This will be used by hda controller driver to
setup stream params in prepare. This function will
setup the bdl and periods.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>