OpTestEEH: Add a method to skip known PHB's/PE's from user.
OpTestEEH: Add a method to skip known PHB's/PE's from user.

By default EEH test will run on all PHB Bridges and all adapters.
If a user want to skip some known PHB's and PE's this patch will
help.

Signed-off-by: Pridhiviraj Paidipeddi <fd8ea14509c256cbd04eaa4ee745a213945e70a1@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

open-power/op-test-framework,open-power/op-test-framework,open-power/op-test-framework