linux-yocto/6.12: update CVE exclusions (6.12.42)

linux-yocto/6.12: update CVE exclusions (6.12.42)

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

    1/1 [
        Author: cvelistV5 Github Action
        Email: github_action@example.com
        Subject: 2 changes (2 new | 0 updated): - 2 new CVEs: CVE-2025-47184, CVE-2025-9300 - 0 updated CVEs:
        Date: Thu, 21 Aug 2025 13:06:23 +0000

    ]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit eacbb65bcf73540c7ea07cc4b9513cde898368c8)
Signed-off-by: Steve Sakoman <steve@sakoman.com>