dt-bindings: arm: ti: Add bindings for J784s4 SoC

Add binding for J784S4 SoC

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230112142725.77785-2-a-nandan@ti.com

Documentation/devicetree/bindings/arm/ti/k3.yaml

@@ -72,6 +72,12 @@ properties:
               - ti,j721s2-evm
           - const: ti,j721s2
 
+      - description: K3 J784s4 SoC
+        items:
+          - enum:
+              - ti,j784s4-evm
+          - const: ti,j784s4
+
 additionalProperties: true
 
 ...