Merge tag 'firmware-20260401-for-11.0-pull-request' of https://gitlab.com/kraxel/qemu into staging

igvm bugfixes

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* tag 'firmware-20260401-for-11.0-pull-request' of https://gitlab.com/kraxel/qemu:
  igvm: fix parent object type in IgvmCfg struct
  igvm: fix memory leak on failed memory region init
  igvm: switch to PRIx64

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