arm64: dts: rockchip: add missing space before { on indiedroid nova

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230705145859.293260-1-krzysztof.kozlowski@linaro.org


Signed-off-by: Heiko Stuebner <heiko@sntech.de>