board/T1040qds: Fix lane-to-slot mapping for SerDes protocol 0x89

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t1040qds/eth.c b/board/freescale/t1040qds/eth.c
index 06d9086..c6fc146 100644
--- a/board/freescale/t1040qds/eth.c
+++ b/board/freescale/t1040qds/eth.c
@@ -216,6 +216,7 @@
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 7;
 		lane_to_slot[3] = 7;
+		lane_to_slot[6] = 7;
 		lane_to_slot[7] = 7;
 		break;
 	case 0x8d: