drm/amd/display: Get link index for AUX reply notification

The link index wasn't updated for the AUX reply notification. Get link
index based on DPIA instance for AUX reply notification.
Signed-off-by: Cruise <Cruise.Hung@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_stat.c

@@ -61,6 +61,7 @@ void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification
 	/* For HPD/HPD RX, convert dpia port index into link index */
 	if (notify->type == DMUB_NOTIFICATION_HPD ||
 	    notify->type == DMUB_NOTIFICATION_HPD_IRQ ||
+	    notify->type == DMUB_NOTIFICATION_AUX_REPLY ||
 	    notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION ||
 	    notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) {
 		notify->link_index =