Update llvm14 to version 14.0.3 / rev 3 via SR 974221
    
    https://build.opensuse.org/request/show/974221
    by user aaronpuchert + dimstar_suse
    - Update to version 14.0.3.
      * This release contains bug-fixes for the LLVM 14.0.0 release.
        This release is API and ABI compatible with 14.0.0.
    - Rebase llvm-do-not-install-static-libraries.patch.
    - Use ThinLTO with lld on i586.