dt-bindings: arm: ti: Add bindings for J742S2 SoCs and Boards

Add devicetree bindings for J742S2 family of devices.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Beleswar Padhi <b-padhi@ti.com>
Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
Link: https://lore.kernel.org/r/20240902-b4-upstream-j742s2-v6-3-6a7aa2736797@ti.com


Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>