Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* Bugfixes
* Code of conduct and conflict resolution policy

# gpg: Signature made Thu 01 Apr 2021 12:21:10 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream:
  docs: Add a QEMU Code of Conduct and Conflict Resolution Policy document
  hexagon: do not specify Python scripts as inputs
  hexagon: do not specify executables as inputs
  configure: Do not use default_feature for EXESUF
  target/openrisc: fix icount handling for timer instructions
  replay: notify CPU on event
  icount: get rid of static variable
  Revert "qom: use qemu_printf to print help for user-creatable objects"
  replay: fix recursive checkpoints
  qapi: qom: do not use target-specific conditionals
  target/i386: Verify memory operand for lcall and ljmp
  meson: Propagate gnutls dependency to migration

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>