device property: export set_secondary_fwnode() to modules

Some drivers when compiled as modules may need to set secondary firmware node.
Export set_secondary_fwnode() to make it possible without code duplication.

Signed-off-by: Andy Shevchenko <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Tested-by: Hans de Goede <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
1 file changed