ASoC: atmel: use use new trigger ordering method

ASoC is now supporting generic trigger ordering method.
This patch switch to use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Tested-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/87o7lqfnzb.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/mchp-pdmc.c

@@ -423,7 +423,7 @@ static const struct snd_soc_component_driver mchp_pdmc_dai_component = {
 	.open = &mchp_pdmc_open,
 	.close = &mchp_pdmc_close,
 	.legacy_dai_naming = 1,
-	.start_dma_last = 1,
+	.trigger_start = SND_SOC_TRIGGER_ORDER_LDC,
 };
 
 static const unsigned int mchp_pdmc_1mic[] = {1};