arm64: dts: qcom: sc7180: Swap order of gpucc and sdhc_2

Devices are supposed to be sorted by unit address.  These two got
swapped when they landed.  Fix.

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200331092832.1.Ic361058ca22d7439164ffea11421740462e14272@changeid


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