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/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h
index 7e143c6..74692b7 100644
--- a/arch/arm/mach-k3/include/mach/hardware.h
+++ b/arch/arm/mach-k3/include/mach/hardware.h
@@ -50,6 +50,7 @@
 #define JTAG_ID_PARTNO_J7200	0xbb6d
 #define JTAG_ID_PARTNO_J721E	0xbb64
 #define JTAG_ID_PARTNO_J721S2	0xbb75
+#define JTAG_ID_PARTNO_J784S4	0xbb80
 
 #define K3_SOC_ID(id, ID) \
 static inline bool soc_is_##id(void) \