ALSA: x86: Allocate resources with device-managed APIs

This patch converts the resource management in x86 HDMI LPE audio
driver with devres as a clean up.  Each manual resource management is
converted with the corresponding devres helper now.

Link: https://lore.kernel.org/r/20210715075941.23332-73-tiwai@suse.de


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