spmi: Set fwnode for spmi devices

This allows fw_devlink to do proper dependency tracking for SPMI
devices. So, better deferred probe handling, async probing, async
suspend/resume, etc.

Signed-off-by: Saravana Kannan <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/spmi/spmi.c

···
 		if (!sdev)
 			continue;
 
-		sdev->dev.of_node = node;
+		device_set_node(&sdev->dev, of_fwnode_handle(node));
 		sdev->usid = (u8)reg[0];
 
 		err = spmi_device_add(sdev);