arm64: dts: qcom: sc8280xp: drop unused properties from tx-macro

tx-macro does not have children and does not allow address/size cells:

  sc8280xp-crd.dtb: txmacro@3220000: Unevaluated properties are not allowed ('#address-cells', '#size-cells' were unexpected)

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230118094224.51704-3-krzysztof.kozlowski@linaro.org