anv/image: Fail earlier in anv_get_image_format_properties

If anv_get_image_format_features reports that the inputs are
unsupported, fail immediately.

Without the early fail, I have less confidence in the function's
correctness when a DRM format modifier is present.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/intel/vulkan/anv_formats.c

@@ -925,6 +925,8 @@ anv_get_image_format_properties(
    format_feature_flags = anv_get_image_format_features(devinfo, info->format,
                                                         format, info->tiling,
                                                         isl_mod_info);
+   if (!format_feature_flags)
+      goto unsupported;
 
    switch (info->type) {
    default: