asoc: use BIAS_LEVEL_OFF for LPM trigger

Use BIAS_LEVEL_OFF trigger from ASoC to mark the wcd/wsa power
supplies to LPM (if supported).

Change-Id: I9afdd255ecb385176de82813ed9a638adfdf0292
Signed-off-by: Uppalapati, Phani Kumar <quic_phaniu@quicinc.com>

asoc/codecs/wcd938x/wcd938x.c

@@ -4661,7 +4661,9 @@ static int wcd938x_suspend(struct device *dev)
 		}
 		clear_bit(ALLOW_BUCK_DISABLE, &wcd938x->status_mask);
 	}
-	if (wcd938x->dapm_bias_off) {
+	if (wcd938x->dapm_bias_off ||
+		(snd_soc_component_get_bias_level(wcd938x->component) ==
+		 SND_SOC_BIAS_OFF)) {
 		msm_cdc_set_supplies_lpm_mode(wcd938x->dev,
 					      wcd938x->supplies,
 					      pdata->regulator,