Merge tag 'staging-pull-request' of https://gitlab.com/peterx/qemu into staging

mem pull for 11.0-rc1

Two fixes included:

- Xiaoyao's fix on recent coco guest boot failure
- BALATON's fix on recent sparce device-introspect-test failure

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# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [marginal]
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* tag 'staging-pull-request' of https://gitlab.com/peterx/qemu:
  hw/display/tcx: Init memory regions in realize
  memory: Set mr->ram before RAM Block allocation

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