ASoC: rt5670: correct the default value on cache

reg 0x65's default is 0x0001 not 0x0000.

Signed-off-by: Bard Liao <bardliao@realtek.com>
ASoC: rt5670: Add rt5672 support

This patch add dapm routes for rt5672.

Signed-off-by: Bard Liao <bardliao@realtek.com>
ASoC: rt5670: make bias level more reasonale

This patah separate bias level standby to standby and off. The
standby level will provide the necessary power for JD and push
button functions.

Signed-off-by: Bard Liao <bardliao@realtek.com>
ASoC: rt5670: Add DMIC ASRC support

This patch adds asrc support for DMIC recording.

Signed-off-by: Bard Liao <bardliao@realtek.com>