ARM: dts: exynos: correct whitespace in Midas

Correct indentation and whitespace in Exynos4412 Midas board.

Link: https://lore.kernel.org/r/20230212185818.43503-1-krzysztof.kozlowski@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>