arm64: dts: qcom: sc7280: fix EUD port properties

Nodes with unit addresses must have also 'reg' property:

  sc7280-herobrine-crd.dtb: eud@88e0000: ports:port@0: 'reg' is a required property

Fixes: 0b059979 ("arm64: dts: qcom: sc7280: Add EUD dt node and dwc3 connector")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230308125906.236885-10-krzysztof.kozlowski@linaro.org