Merge tag 'asoc-v3.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Final updates for v3.12

A few final updates for v3.12 - some cleanups, a bug fix for ssm2602,
pop removal for rt5640 and fixes for the reporting of unidirectional
links in the MXS SGTL5000 driver.