arm64: dts: qcom: sc7180: order top-level nodes alphabetically

Order top-level nodes like memory, reserved-memory, opp-table-cpu
alphabetically for easier code maintenance.  No functional change (same
dtx_diff).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry <Baryshkov&lt;dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221212100232.138519-1-krzysztof.kozlowski@linaro.org