ALSA: x86: Simplify with dma_set_mask_and_coherent()

LPE driver still has explicit calls of dma_set_mask() and
dma_set_coherent_mask().

Let's simplify with dma_set_mask_and_coherent().

Link: https://lore.kernel.org/r/20210114125412.993-3-tiwai@suse.de


Signed-off-by: Takashi Iwai <tiwai@suse.de>