linux-yocto/6.12: update CVE exclusions (6.12.39)

linux-yocto/6.12: update CVE exclusions (6.12.39)

Data pulled from: https://github.com/CVEProject/cvelistV5

    1/1 [
        Author: cvelistV5 Github Action
        Email: github_action@example.com
        Subject: 4 changes (1 new | 3 updated): - 1 new CVEs: CVE-2025-46002 - 3 updated CVEs: CVE-2025-5752, CVE-2025-6717, CVE-2025-7397
        Date: Fri, 18 Jul 2025 14:11:28 +0000

    ]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit a58b2c6f20ad6257036e144bee2eec1375e1a799)
Signed-off-by: Steve Sakoman <steve@sakoman.com>