Skipped the devices which doesn't support Independent Error Sampler

[sksekar]

This is to avoid margining on devices that supports Lane Margining but doesn't support Independent Sampler which would be an INTRUSIVE test.

Verified by running a test against a NIC that doesn't support Independent sampler:

[root@dut /tmp]# ./pci_lmt.par auto -c lmt.cfg -o json -v
:
INFO: Running TIMING margining test on 2 BDFs Rx 6 Step 10 for 5 seconds.
INFO: LmtTestInfo(run_id='125391229069527251846731051782960176395', timestamp=1712507704, host_id='323367020', hostname='dut', model_name='REDACTED', dwell_time_secs=5, elapsed_time_secs=-1, error_count_limit=63, test_version='1.2.1', annotation='CPU Tx -> NIC Rx (Timing right)')
WARNING: Device 0000:2d:00.0 ReceiverNum 6 NOT PRIMED: Receiver does not support independent error sampler
WARNING: Device 0000:cd:00.0 ReceiverNum 6 NOT PRIMED: Receiver does not support independent error sampler