imx8mp: enable rd_port_urgent

Need to enable read urgent for NoC panic signal

Signed-off-by: Jian Li <jian.li@nxp.com
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/freescale/imx8mp_evk/lpddr4_timing.c b/board/freescale/imx8mp_evk/lpddr4_timing.c
index 1454249..6b17b3f 100644
--- a/board/freescale/imx8mp_evk/lpddr4_timing.c
+++ b/board/freescale/imx8mp_evk/lpddr4_timing.c
@@ -58,6 +58,7 @@
 	{ 0x3d400264, 0x900093e7 },
 	{ 0x3d40026c, 0x2005574 },
 	{ 0x3d400400, 0x111 },
+       { 0x3d400404, 0x72ff },
 	{ 0x3d400408, 0x72ff },
 	{ 0x3d400494, 0x2100e07 },
 	{ 0x3d400498, 0x620096 },