arm64: dts: exynos: move exynos-bus nodes out of soc in Exynos5433

arm64: dts: exynos: move exynos-bus nodes out of soc in Exynos5433

The soc node is supposed to have only device nodes with MMIO addresses,
as reported by dtc W=1:

  exynos5433-bus.dtsi:10.20-16.4:
    Warning (simple_bus_reg): /soc@0/bus0: missing or empty reg/ranges property

and dtbs_check:

  exynos5433-tm2.dtb: soc@0: bus1:
    {'compatible': ['samsung,exynos-bus'], 'clocks': [[21, 220]], 'clock-names': ['bus'], 'operating-points-v2': [[165]], 'status': ['okay'], 'devfreq': [[166]]} should not be valid under {'type': 'object'}

Move the bus nodes and their OPP tables out of SoC to fix this.

Link: https://lore.kernel.org/r/20230125094513.155063-8-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>