Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* cleanup architecture canonicalization once and for all

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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  configure: unify case statements for CPU canonicalization
  linux-user: cleanup unused linux-user/include/host directories
  configure: fix detection for x32 linux-user

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>