0cab45 spec: cherry pick openat2 qemu-user support from usptream 9651cea

3 files Authored by Michael Vogt 20 days ago, Committed by Daniel P. Berrangé 20 days ago,
    spec: cherry pick openat2 qemu-user support from usptream 9651cea
    
    This commit adds support for the openat2 syscall to qemu-user. It
    is done via cherry picking upstream 9651cea and adding a extra
    commit with a bunch of `#ifdef TARGET_NR_openat2` so that this
    commit compiles on the `cris-linux-user` target which does not
    have this syscall. Cris is removed in upstream qemu after v9.1.0
    so the ifdefs were not needed there but are needed here until
    cris is also removed from the RPM.
    
        
file modified
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