There is nothing specific being done in the suspend and
resume callbacks that is not already taken care of in PCI
driver core, so dropping the functions.
Acked-by: NHuang Rui <ray.huang@amd.com>
Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>