drm/tidss: oldi: convert to devm_drm_bridge_alloc() API

DRM bridges now use "devm_drm_bridge_alloc()" for allocation and
initialization. "devm_kzalloc()" is not allowed anymore and it results
in WARNING. So convert it.

Fixes: 7246e0929945 ("drm/tidss: Add OLDI bridge support")
Reviewed-by: Devarsh Thakkar <[e-mail]>
Reviewed-by: Aradhya Bhatia <[e-mail]>
Signed-off-by: Jayesh Choudhary <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Tomi Valkeinen <[e-mail]>

drivers/gpu/drm/tidss/tidss_oldi.c

···
 			continue;
 		}
 
-		oldi = devm_kzalloc(tidss->dev, sizeof(*oldi), GFP_KERNEL);
-		if (!oldi) {
-			ret = -ENOMEM;
+		oldi = devm_drm_bridge_alloc(tidss->dev, struct tidss_oldi, bridge,
+					     &tidss_oldi_bridge_funcs);
+		if (IS_ERR(oldi)) {
+			ret = PTR_ERR(oldi);
 			goto err_put_node;
 		}
 
···
 		/* Register the bridge. */
 		oldi->bridge.of_node = child;
 		oldi->bridge.driver_private = oldi;
-		oldi->bridge.funcs = &tidss_oldi_bridge_funcs;
 		oldi->bridge.timings = &default_tidss_oldi_timings;
 
 		tidss->oldis[tidss->num_oldis++] = oldi;