Newer Qualcomm SoC soundcards will need to allocate Soundwire stream
runtime in their startup op.  The code will be exactly the same for all
soundcards, so add a helper for that.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231128165638.757665-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>