drm/xe/configfs: Fix is_bound() pci_dev lifetime

Move pci_dev_put() after pci_dbg() to avoid using pdev after dropping its
reference.

Fixes: 2674f1ef29f46 ("drm/xe/configfs: Block runtime attribute changes")
Signed-off-by: Shuicheng Lin <[e-mail]>
Reviewed-by: Ashutosh Dixit <[e-mail]>
Signed-off-by: Ashutosh Dixit <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
(cherry picked from commit 63b33604365bdca43dee41bab809da2230491036)
Signed-off-by: Thomas Hellström <[e-mail]>

drivers/gpu/drm/xe/xe_configfs.c

···
 		return false;
 
 	ret = pci_get_drvdata(pdev);
-	pci_dev_put(pdev);
-
 	if (ret)
 		pci_dbg(pdev, "Already bound to driver\n");
 
+	pci_dev_put(pdev);
 	return ret;
 }