Disable dqs2dq calibration

Workaround for hanging boards. Long term tested in temp chamber
and proven stable while awaiting better solution from NXP.

Change-Id: Ia19afd71be4e2c020d12aed0e208180acfdf3f5a
diff --git a/board/freescale/imx8mq_phanbell/ddr/lpddr4_timing_kingston_2gb.c b/board/freescale/imx8mq_phanbell/ddr/lpddr4_timing_kingston_2gb.c
index b6764df..b5b0bbe 100644
--- a/board/freescale/imx8mq_phanbell/ddr/lpddr4_timing_kingston_2gb.c
+++ b/board/freescale/imx8mq_phanbell/ddr/lpddr4_timing_kingston_2gb.c
@@ -49,7 +49,7 @@
 	{ 0x3d4001b0, 0x11 },
 	{ 0x3d4001b4, 0x170a },
 	{ 0x3d4001c0, 0x1 },
-	{ 0x3d4001c4, 0x1 },
+	{ 0x3d4001c4, 0x0 },
 	{ 0x3d4000f4, 0x639 },
 	{ 0x3d400108, 0x70e1617 },
 	{ 0x3d400200, 0x1f },