ASoC: intel: skl: Simplify with dma_set_mask_and_coherent()

ASoC Intel Skylake driver still has explicit calls of dma_set_mask()
and dma_set_coherent_mask().

Let's simplify with dma_set_mask_and_coherent().

Cc: Cezary Rojewski <cezary.rojewski@intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20210114133337.1039-2-tiwai@suse.deSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl.c

@@ -950,12 +950,8 @@ static int skl_first_init(struct hdac_bus *bus)
 	bus->num_streams = cp_streams + pb_streams;
 
 	/* allow 64bit DMA address if supported by H/W */
-	if (!dma_set_mask(bus->dev, DMA_BIT_MASK(64))) {
-		dma_set_coherent_mask(bus->dev, DMA_BIT_MASK(64));
-	} else {
-		dma_set_mask(bus->dev, DMA_BIT_MASK(32));
-		dma_set_coherent_mask(bus->dev, DMA_BIT_MASK(32));
-	}
+	if (dma_set_mask_and_coherent(bus->dev, DMA_BIT_MASK(64)))
+		dma_set_mask_and_coherent(bus->dev, DMA_BIT_MASK(32));
 
 	/* initialize streams */
 	snd_hdac_ext_stream_init_all