ALSA: hda: Add AZX_DCAPS_PM_RUNTIME for AMD Raven Ridge

ALSA: hda: Add AZX_DCAPS_PM_RUNTIME for AMD Raven Ridge

BugLink: https://bugs.launchpad.net/bugs/1782540
This patch can make audio controller in AMD Raven Ridge gets runtime
suspended to D3, to save ~1W power when it's not in use.

Cc: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
(cherry picked from commit 1adca4b0cd65c14cb8b8c9c257720385869c3d5f linux-next)
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Acked-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>