of: device: Export of_device_{get_modalias, uvent_modalias} to modules

The ULPI bus can be built as a module, and it will soon be
calling these functions when it supports probing devices from DT.
Export them so they can be used by the ULPI module.

Acked-by: Rob Herring <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>
Signed-off-by: Peter Chen <[e-mail]>

drivers/of/device.c

···
 
 	return tsize;
 }
+EXPORT_SYMBOL_GPL(of_device_get_modalias);
 
 int of_device_request_module(struct device *dev)
 {
···
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(of_device_uevent_modalias);