TL;DR: Look at "Third-party licenses" tab under "Settings" application
for per file licensing info:

"Settings"
└── "About phone"
    └── "Legal information"
        └── "Third-party licenses"


The firmware binaries in this package are covered under different different
redistributable licences. Here is a short breakup of licenses involved:

vendor/
└── linaro_devices/
    ├── common/
    │   └── linux-firmware/
    │       All but one (ath10k/WCN3390/hw1.0/board-2.bin) binaries are covered
    │       under upstream licenses mentioned in WHENCE file.
    │       https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git (f5d519563ac9)
    │
    │       ath10k/WCN3390/hw1.0/board-2.bin binary for db845c is picked from
    │       linux-firmware.git fork:
    │       https://github.com/andersson/linux-firmware/commit/e165604ca024
    └── qcom/
        ├── db845c/
        │   ├── dragonboard-845c-bootloader-ufs-aosp/
        │   │   Db845c bootloader/rescue package is covered under LICENSE file.
        │   │   The package can be downloaded from
        │   │   http://snapshots.linaro.org/96boards/dragonboard845c/linaro/rescue/88/dragonboard-845c-bootloader-ufs-aosp-88.zip
        │   │
        │   ├── qdl/
        │   │   QDL board recovery tool (covered under LICENSE) is built from
        │   │   https://git.linaro.org/landing-teams/working/qualcomm/qdl.git (760b3dffb03d)
        │   │
        │   └── RB3_firmware_20190529180356-v4/
        │       These binaries are covered under LICENSE.qcom.txt
        │       The package can be downloaded from
        │       http://releases.linaro.org/96boards/dragonboard845c/qualcomm/firmware/RB3_firmware_20190529180356-v4.zip
        └── rb5/
            ├── qdl/
            │   QDL board recovery tool (covered under LICENSE) is built from
            │   https://git.linaro.org/landing-teams/working/qualcomm/qdl.git (13681fcb359c)
            │
            ├── rb5-bootloader-ufs-aosp-19/
            │   RB5 bootloader/rescue package is covered under LICENSE file.
            │   The package can be downloaded from
            │   http://snapshots.linaro.org/96boards/qrb5165-rb5/linaro/rescue/19/rb5-bootloader-ufs-aosp-19.zip
            │
            └── RB5_firmware_20210331-v4/
                These binaries are covered under LICENSE.qcom.txt
                The package can be downloaded from
                http://releases.linaro.org/96boards/rb5/qualcomm/firmware/RB5_firmware_20210331-v4.zip