soundwire: intel: export intel_resume_child_device

We will resume each child in the next patch, and
intel_resume_child_device() will be used.

Signed-off-by: Bard Liao <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/soundwire/intel_auxdevice.c

···
  * PM calls
  */
 
-static int intel_resume_child_device(struct device *dev, void *data)
+int intel_resume_child_device(struct device *dev, void *data)
 {
 	int ret;
 	struct sdw_slave *slave = dev_to_sdw_dev(dev);

drivers/soundwire/intel_auxdevice.h

···
 
 int intel_link_startup(struct auxiliary_device *auxdev);
 int intel_link_process_wakeen_event(struct auxiliary_device *auxdev);
+int intel_resume_child_device(struct device *dev, void *data);
 
 struct sdw_intel_link_dev {
 	struct auxiliary_device auxdev;