arm64: dts: amlogic: minor whitespace cleanup around '='

Use space after '=' sign to match DTS coding style.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230702185327.44625-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>