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

hw/nvme patches

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* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
  hw/nvme: remove useless type cast
  hw/nvme: actually implement abort
  hw/nvme: add cross namespace copy support
  hw/nvme: fix memory leak in nvme_dsm

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