audio/sfizz: fix build on powerpc* and probably also riscv64

1. Apply https://github.com/max0x7ba/atomic_queue/commit/ee3d91cf131e56aa3302a43aeebf7b57a3c97b06
2. Use abseil patch from other ports.
3. Run the strip command meant obviously only for amd64 only on amd64.

(cherry picked from commit 6e55f1e8)