libobs-d3d11: Log GPU PCIe lanes and version

[derrod]

Description

Adds GPU PCIe link speed and version to log.

This is hecking cursed if anybody has a better idea of how to get the device instance ID from the graphics APIs please let me know.

References used:

• https://github.com/hiyohiyo/CrystalDiskInfo/blob/c46b2e8f212ee39935f41ee0ecab02011792503c/SlotSpeedGetter.cpp#L127-L182
• Certainly not the Microsoft documentation which is rather unhelpful.

Motivation and Context

Sometimes link speed is an issue (though less so these days)

How Has This Been Tested?

Ran on my PC, output was correct.

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist:

• My code has been run through clang-format.
• I have read the contributing document.
• My code is not on the master branch.
• The code has been tested.
• All commit messages are properly formatted and commits squashed where appropriate.
• I have included updates to all appropriate documentation.