ASoC: Updates for v3.15

A few more updates for the merge window:

 - Fixes for the simple-card DAI format DT mess.
 - A new driver for Cirrus cs42xx8 devices.
 - DT support for a couple more devices.
 - A revert of a previous buggy fix for soc-pcm, plus a few more fixes
   and cleanups.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=wKyT
-----END PGP SIGNATURE-----