arm64: dts: ti: 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>
Link: https://lore.kernel.org/r/20231124095000.58487-2-krzysztof.kozlowski@linaro.orgSigned-off-by: Nishanth Menon <nm@ti.com>