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

The DTS code coding style expects exactly one space before and after '='
sign.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Viacheslav Bocharov <adeep@lexina.in>
Link: https://lore.kernel.org/r/20231124094700.58071-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>