Merge tag 'pull-loongarch-20230404' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20230404

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* tag 'pull-loongarch-20230404' of https://gitlab.com/gaosong/qemu:
  target/loongarch: Enables plugins to get instruction codes
  hw/loongarch/virt: Fix virt_to_phys_addr function

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