amd/addrlib: fix another C++ one definition rule violation

Clashes with the SI definition.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3116
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5673>
2 files changed