panvk: Fix NULL deref on model name when device isn't supported
What does this MR do and why?
panvk: Fix NULL deref on model name when device isn't supported
Instead of reproting an VK_ERROR_INCOMPATIBLE_DRIVER we were crashing as
device->model was init after this error check.
Tested on G57 but should work the same on all unsupported arch.
Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Fixes: f7f9b3d170f5 ("panvk: Move to vk_properties")
/cc @bbrezillon