git: openjdk/jdk22u: master: 8328812: Update and move siphash license

[Jesper Wilhelmsson]

Changeset: 2c00048a
Author:    Jesper Wilhelmsson <jwilhelm at openjdk.org>
Date:      2024-03-25 21:31:36 +0000
URL:       https://git.openjdk.org/jdk22u/commit/2c00048af3ebd82002caddca1b3c0e96558233bf

8328812: Update and move siphash license

Backport-of: ce7ebaa606f96fdfee66d300b56022d9903b5ae3

= src/java.base/share/legal/siphash.md