ath12k-firmware: WCN7850 hw2.0: add board files for Silex SX-PCEBE

[Vitor Soares <ivitro@gmail.com>]

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Hi,

Please add the board files for the Silex SX-PCEBE Wi-Fi module.

* Description of the hardware

  Silex SX-PCEBE (Qualcomm QCC2076 / WCN7850 hw2.0), used on the Toradex
  Aquila SoMs (TI AM69, NXP i.MX95 and the upcoming Qualcomm IQ8).

  The module reports the generic Qualcomm subsystem IDs and QMI board
  ID, so the variant is selected through the qcom,calibration-variant
  device tree property.

* Origin of the board files

  From the Toradex BSP, packed in per-region board-2.bin files:
  https://docs.toradex.com/118161-sx-pcebe-board-files_v2.0.zip

  There is one board file per regulatory region:
    - US/EU/JP
    - UK/CA, high TX power
    - UK/CA, low TX power

  Canada may ask suppliers to lower TX power for some 5 GHz channels;
  the low variant covers that case.

* IDs to be used with the board files

  + bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255,variant=Silex_SX-PCEBE_US_EU_JP
    sha256sum: 4343ebdeeaa2bce3a16dda83dd39301db11a614873f7a4effba370fe45e0e05c

  + bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255,variant=Silex_SX-PCEBE_UK_CA_high
    sha256sum: 56d260fcd3504ca5acb385986d4698270c2a7be0cfc054dc707caa7da0e10dd3

  + bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255,variant=Silex_SX-PCEBE_UK_CA_low
    sha256sum: bbf454b973ea9cdea5a5671a7fd295a41010d83bd5f0e636f6a91a3c733fb35a

* Attached board files

  The file names are the IDs above with a ".bin" suffix.

* Other information

  Tested on Aquila AM69 with ath-next and all three variants; the
  driver selects the board data through the DT variant, e.g.:

    ath12k_wifi7_pci 0003:01:00.0: boot found match board data for name
    '...,qmi-board-id=255,variant=Silex_SX-PCEBE_US_EU_JP'

  Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c7-00108-QCAHMTSWPL_V1.0_V2.0_SILICONZ_UPSTREAM-3

Thanks,
Vitor

[-- Attachment #2: bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255,variant=Silex_SX-PCEBE_UK_CA_high.bin --]
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[-- Attachment #3: bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255,variant=Silex_SX-PCEBE_UK_CA_low.bin --]
[-- Type: application/x-executable, Size: 88908 bytes --]

[-- Attachment #4: bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255,variant=Silex_SX-PCEBE_US_EU_JP.bin --]
[-- Type: application/x-executable, Size: 88900 bytes --]