ASoC: Fixes for v4.16

This is a fairly standard collection of fixes, there's no changes to the
core here just a bunch of small device specific changes for single
drivers plus an update to the MAINTAINERS file for the sgl5000.
Merge remote-tracking branches 'asoc/fix/amd', 'asoc/fix/hdmi-codec', 'asoc/fix/rt5651', 'asoc/fix/samsung', 'asoc/fix/sgtl5000', 'asoc/fix/sunxi' and 'asoc/fix/wm-adsp' into asoc-linus