soundwire: qcom: add v1.5.1 compatible

Add a compatible string for HW version v1.5.1 on sm8250 SoCs.

Signed-off-by: Jonathan Marek <[e-mail]>
Tested-by: Srinivas Kandagatla <[e-mail]>
Reviewed-by: Srinivas Kandagatla <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

Documentation/devicetree/bindings/soundwire/qcom,sdw.txt

···
 		    Example:
 			"qcom,soundwire-v1.3.0"
 			"qcom,soundwire-v1.5.0"
+			"qcom,soundwire-v1.5.1"
 			"qcom,soundwire-v1.6.0"
 - reg:
 	Usage: required

drivers/soundwire/qcom.c

···
 
 static const struct of_device_id qcom_swrm_of_match[] = {
 	{ .compatible = "qcom,soundwire-v1.3.0", },
+	{ .compatible = "qcom,soundwire-v1.5.1", },
 	{/* sentinel */},
 };