Merge tag 'chinese-doc-6.15-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git...

Chinese translation docs for 6.15-rc1

This is the Chinese translation subtree for 6.15-rc1. It just
includes few changes:
        - Chinese disclaimer change
        - add a new translation doc: snp-tdx-threat-model
        - fix a typo
Above patches are tested by 'make htmldocs/pdfdocs'

Signed-off-by: Alex Shi <alexs@kernel.org>