ASoC: qcom: lpass-sc7180: Add maybe_unused tag for system PM ops

Add __maybe_unused tag for system PM ops suspend and resume.
This is required to fix allmodconfig compilation issue.

Fixes: a3a96e93 ("ASoC: qcom: lpass-sc7280: Add system suspend/resume PM ops")
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Link: https://lore.kernel.org/r/1669726428-3140-1-git-send-email-quic_srivasam@quicinc.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/lpass-sc7180.c

@@ -163,14 +163,14 @@ static int sc7180_lpass_exit(struct platform_device *pdev)
 	return 0;
 }
 
-static int sc7180_lpass_dev_resume(struct device *dev)
+static int __maybe_unused sc7180_lpass_dev_resume(struct device *dev)
 {
 	struct lpass_data *drvdata = dev_get_drvdata(dev);
 
 	return clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks);
 }
 
-static int sc7180_lpass_dev_suspend(struct device *dev)
+static int __maybe_unused sc7180_lpass_dev_suspend(struct device *dev)
 {
 	struct lpass_data *drvdata = dev_get_drvdata(dev);