soc: ti: k3-socinfo: Add entry for J784S4 SoC

Add support for J784S4 SoC Identification.

Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> # AM69-SK
diff --git a/drivers/soc/soc_ti_k3.c b/drivers/soc/soc_ti_k3.c
index 355a536..d176980 100644
--- a/drivers/soc/soc_ti_k3.c
+++ b/drivers/soc/soc_ti_k3.c
@@ -45,6 +45,9 @@
 	case JTAG_ID_PARTNO_AM62AX:
 		family = "AM62AX";
 		break;
+	case JTAG_ID_PARTNO_J784S4:
+		family = "J784S4";
+		break;
 	default:
 		family = "Unknown Silicon";
 	};