ASoC: Add VMID widget for wm_hubs devices

Currently this does not actually do anything, it is being introduced in
order to facilitate additional power optimisations for current generation
devices.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

diff --cc sound/soc/codecs/wm8993.c
Simple merge

diff --cc sound/soc/codecs/wm8994.c
Simple merge

diff --cc sound/soc/codecs/wm_hubs.c
Simple merge