v3dv: expose VK_EXT_attachment_feeback_loop_layout
We don't have any special requirements for this, so we can just expose the extension.
The tests in CTS have an issue where they only check if a format is supported for sampling but don't check if an image with that format can be created for sampling. In our case, since we can't sample 1D depth/stencil images, this causes affected tests to crash in the simulator (they pass on the device though). There is an issue with a fix here: