Fix anv_enumerate_physical_devices

No compatible devices should not return error.

Change-Id: Icd81e7e5309b61c5fdb2b32f43a2cc0dee627137
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/405854
Reviewed-by: John Bauman <jbauman@google.com>
1 file changed