Fix the basic suspend/resume of snd-cs46xx drivers with new DSP.

References:
	https://bugzilla.redhat.com/show_bug.cgi?id=498287
	https://bugzilla.redhat.com/show_bug.cgi?id=160751Tested-by: NFlorian Zumbiehl <florz@florz.de>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>