[PATCH/BUG] ALSA: acp6x: Add DMI/PCI quirk for HP 255R G10 internal microphone (103c:8d22)

Hello,

The internal digital microphone (DMIC/PDM) on the HP 255R G10 laptop is not
detected/working under Linux.

SYSTEM INFORMATION:
- Model: HP 255R G10
- CPU: AMD Ryzen 7 7735U (Rembrandt-R / Yellow Carp)
- ACP PCI Device: 1022:15e2 (rev 60)
- Subsystem ID: 103c:8d22
- Tested Kernels: 6.x / 7.x (CachyOS / Arch Linux)

PROBLEM DESCRIPTION:
The AMD ACP 6.x PCI device (1022:15e2) is bound by the `snd_pci_acp6x`
driver, but no ALSA DMIC/PDM PCM capture device is instantiated (`arecord
-l` only lists the HDA ALC236 codec).

In Windows, the internal microphone works properly through the AMD Audio
CoProcessor driver (amdacpbus.sys) using HP DMIC extensions
(`amddmicextt_hp_*.inf`) and is presented as "Microphone Array (AMD Audio
Device)".

In Linux, the board subsystem ID (103c:8d22) appears to be missing from the
DMI match table in `sound/soc/amd/yc/acp6x-mach.c` (or equivalent ACP 6.x
machine driver).

DMI / PCI DETAILS:
Vendor ID: 0x1022
Device ID: 0x15e2
Subsystem Vendor: 0x103c
Subsystem Device: 0x8d22

`lspci -nnk -s 03:00.5`:
03:00.5 Multimedia controller [0480]: Advanced Micro Devices, Inc. [AMD]
Audio Coprocessor [1022:15e2] (rev 60)
Subsystem: Hewlett-Packard Company Device [103c:8d22]
Kernel driver in use: snd_pci_acp6x
Kernel modules: snd_pci_acp6x, snd_soc_acp6x_mach

Requesting to add a quirk/entry for DMI_BOARD_NAME "8D22" / Subsystem
103c:8d22 to enable ACP PDM/DMIC support for this laptop model.

Best regards,
Alex