tlv320aic3xxx: add i2c shutdown implementation

Adds i2c shutdown related checks
Bug 1226744

Change-Id: Ic9833dd620f108d6c4a339579b71e80c790503f9
Signed-off-by: Rahul Mittal <rmittal@nvidia.com>
Reviewed-on: http://git-master/r/197860
Reviewed-by: Vijay Mali <vmali@nvidia.com>
Reviewed-by: Scott Peterson <speterson@nvidia.com>
5 files changed