kernel 6.15+ will be our next reference point, so we bump the libc
headers to match.
(From OE-Core rev: cf89a121f93e404485983b92abc88a46a7f24890)
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
