arm64: dts: broadcom: add missing space before {

Add missing whitespace between node name/label and opening {.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230705150108.293999-2-krzysztof.kozlowski@linaro.org


Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>