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

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

hw/nvme updates

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* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
  hw/nvme: cleanup error reporting in nvme_init_pci()
  hw/nvme: clean up confusing use of errp/local_err
  hw/nvme: fix missing cq eventidx update
  hw/nvme: fix missing endian conversions for doorbell buffers
  hw/nvme: rename shadow doorbell related trace events
  hw/nvme: use QOM accessors

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