PCI PT Hotplug/Hotunplug fixes for arch ppc64

[TasmiyaNalatwad]

Added 2 new test cases, where hotplog unplug is performed for multiple times and a random reboot is done between hotplug and unplug and the device availability is checked.

Below are the new cases added
(7/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_hotunplug.PCI: STARTED
(7/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_hotunplug.PCI: PASS (268.99 s)
(8/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_unplug_with_rand_reboot.PCI: STARTED
(8/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_unplug_with_rand_reboot.PCI: PASS (269.73 s)

[TasmiyaNalatwad]

JOB ID : cd7960bd139abe0e6cd9b397722a5a75833f644b
JOB LOG : /root/tests/results/job-2024-12-26T00.52-cd7960b/job.log
(1/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.flood_ping.PCI: STARTED
(1/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.flood_ping.PCI: PASS (108.67 s)
(2/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.suspend.PCI: STARTED
(2/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.suspend.PCI: PASS (110.53 s)
(3/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.reboot.PCI: STARTED
(3/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.reboot.PCI: PASS (133.24 s)
(4/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.virsh_dumpxml.PCI: STARTED
(4/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.virsh_dumpxml.PCI: PASS (108.58 s)
(5/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.stress_test.PCI: STARTED
(5/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.stress_test.PCI: PASS (108.46 s)
(6/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.virsh_dump.PCI: STARTED
(6/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.virsh_dump.PCI: FAIL: Failed to virsh dump of domain avocado-vt-vm1 (52.22 s)
(7/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_hotunplug.PCI: STARTED
(7/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_hotunplug.PCI: PASS (268.99 s)
(8/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_unplug_with_rand_reboot.PCI: STARTED
(8/8) type_specific.io-github-autotest-libvirt.libvirt_pci_passthrough_hotplug.multiple_hotplug_unplug_with_rand_reboot.PCI: PASS (269.73 s)
RESULTS : PASS 7 | ERROR 0 | FAIL 1 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 0
JOB HTML : /root/tests/results/job-2024-12-26T00.52-cd7960b/results.html
JOB TIME : 1279.13 s