arm64: dts: qcom: sm8250: Define ports for qmpphy orientation-switching

ports for orientation switching input and output. The individual board dts
files will instantiate port@0, port@1 and/or port@2 depending on the supported
feature-set.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20230816115151.501736-3-bryan.odonoghue@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>