dt-bindings: memory-controllers: Add support for Xilinx Versal EDAC for DDRMC

Add device tree bindings for Xilinx Versal EDAC for DDR
controller.

Co-developed-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231005101242.14621-2-shubhrajyoti.datta@amd.com