Add compatible for an already used syscon poweroff/mailbox block in APM.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240627-dt-bindings-mfd-syscon-split-v4-7-dc6699a9f3e4@linaro.orgSigned-off-by: Lee Jones <lee@kernel.org>