[Bug target/105144] [12 Regression] Bootstrap + install failure on aarch64 due to aarch64-tune.md likely since r12-7842

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105144

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 52742
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52742&action=edit
gcc12-pr105144.patch

Fix for 1) and 2).