[Bug 283948] snd_hdac: No sound on Alder Lake-P laptop

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283948

            Bug ID: 283948
           Summary: snd_hdac: No sound on Alder Lake-P laptop
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: ziaee@FreeBSD.org

Hello, I have a laptop with no sound drivers. It's an Intel Alder Lake i9
12900h which allegedly has a Realtek ALC711-VD, but I can't get it to show me
anything to that effect. `mixer` and `cat /dev/sndstat` show no devices
installed.

From `pciconf -lv` I have a section I believe to be relevant:
```
hdac0@pci0:0:31:3:      class=0x040100 rev=0x01 hdr=0x00 vendor=0x8086
device=0x51c8 subvendor=0x1028 subdevice=0x0b29
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake PCH-P High Definition Audio Controller'
    class      = multimedia
    subclass   = audio
```

Same from dmesg:
```
[1.007453] hdac0: <Intel Alder Lake-P HDA Controller> mem
0x618e1d0000-0x618e1d3fff,0x618e000000-0x618e0fffff at device 31.3 on pci0
```

When trying to use `sysctl dev.hdac.0.pindump=1` as root I get:
```
sysctl dev.hdac.0.pindump=1
dev.hdac.0.pindump: 0 -> 0
```

USB audio works great automatically. Thanks!

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