Changing the plotform validation to power for IBM power servers

[Naresh-ibm]

earlier we were validating "ppc" for power server, Now it has changed to power as from RH10 onwards this has been changed and the utility is also now returning powerpc

[Naresh-ibm]

logs for reference

localhost:~/avocado-fvt-wrapper/tests/avocado-misc-tests/io/disk # avocado run --max-parallel-tasks=1 disk_info.py -m disk_info.py.data/disk_info.yaml

JOB ID : c4964bb8331d508084dde025f8f6b4736ca19f58
JOB LOG : /root/avocado-fvt-wrapper/results/job-2025-03-03T04.04-c4964bb/job.log
(1/6) disk_info.py:DiskInfo.test_commands;run-filesystem-ext4-765b: STARTED
(1/6) disk_info.py:DiskInfo.test_commands;run-filesystem-ext4-765b: PASS (5.02 s)
(2/6) disk_info.py:DiskInfo.test_commands;run-filesystem-xfs-1391: STARTED
(2/6) disk_info.py:DiskInfo.test_commands;run-filesystem-xfs-1391: PASS (1.51 s)
(3/6) disk_info.py:DiskInfo.test_commands;run-filesystem-btrfs-7f2f: STARTED
(3/6) disk_info.py:DiskInfo.test_commands;run-filesystem-btrfs-7f2f: PASS (1.61 s)
(4/6) disk_info.py:DiskInfo.test;run-filesystem-ext4-765b: STARTED
(4/6) disk_info.py:DiskInfo.test;run-filesystem-ext4-765b: PASS (3.51 s)
(5/6) disk_info.py:DiskInfo.test;run-filesystem-xfs-1391: STARTED
(5/6) disk_info.py:DiskInfo.test;run-filesystem-xfs-1391: PASS (2.21 s)
(6/6) disk_info.py:DiskInfo.test;run-filesystem-btrfs-7f2f: STARTED
(6/6) disk_info.py:DiskInfo.test;run-filesystem-btrfs-7f2f: PASS (2.01 s)
RESULTS : PASS 6 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 0
JOB HTML : /root/avocado-fvt-wrapper/results/job-2025-03-03T04.04-c4964bb/results.html
JOB TIME : 85.61 s
localhost:~/avocado-fvt-wrapper/tests/avocado-misc-tests/io/disk #

[PraveenPenguin]

LGTM