ARM: dts: qcom: correct indentation

Do not use spaces for indentation.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221002092000.68844-1-krzysztof.kozlowski@linaro.org