Merge tag 'pull-loongarch-20240912' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20240912

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* tag 'pull-loongarch-20240912' of https://gitlab.com/gaosong/qemu:
  hw/loongarch: Add acpi SPCR table support
  hw/loongarch: virt: pass random seed to fdt
  hw/loongarch: virt: support up to 4 serial ports
  target/loongarch: Support QMP dump-guest-memory
  target/loongarch/kvm: Add vCPU reset function
  hw/loongarch: Remove default enable with VIRTIO_VGA device
  target/loongarch: Add compatible support about VM reboot

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