soundwire: qcom: remove redundant version number read

Controller version is already available in struct qcom_swrm_ctrl, Just make use
of it instead of reading this again.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211116105017.12010-1-srinivas.kandagatla@linaro.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>