ASoC: ak4104: Add stub DAPM support
ASoC: ak4104: Add stub DAPM support

This makes it easer to integrate the device with other on-board components
and ensures correct operation following removal of support for non-DAPM
CODECs.

Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs