dt-bindings: arm: qcom,coresight-tpda: drop redundant type from ports

"in-ports" and "out-ports" are defined by graph schema, so defining its
type is redundant.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240325104007.30723-1-krzysztof.kozlowski@linaro.org