Years ago Arm introduced ServerReady program to certificate servers. To show that they can be "boring": working out of the box.
Then renamed it to SystemReady to cover more hw types. Later ended certification and replaced it with "compliance".
After seeing Radxa Orion C6 on a list of compliant systems I have a proposal.
Rename it again. Make it SalesReady.
If your device boots some systems from a list you are compliant.
Who cares about drivers, working pcie cards?
Only users. Ignore them.