Merge tag 'asoc-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...

ASoC: Fixes for v3.16

Quite a few build coverage fixes in here among the usual small driver
fixes includling the sigmadsp change from Lars - moving the driver to
separate modules per bus (which is basically just code motion) avoids
issues with some combinations of buses being enabled.