D3D11: block D3D feature < 11 from using Dawn.

D3D feature level 10 only has 1 UAV slots so it's not enough for even
Compat Mode.

Bug: 383712488
Change-Id: Ie030204400781543dfc237f72c85a21f1a30163a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/219454
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Quyen Le <lehoangquyen@chromium.org>
diff --git a/src/dawn/native/d3d11/PhysicalDeviceD3D11.cpp b/src/dawn/native/d3d11/PhysicalDeviceD3D11.cpp
index 05acae9..c4d6fb9 100644
--- a/src/dawn/native/d3d11/PhysicalDeviceD3D11.cpp
+++ b/src/dawn/native/d3d11/PhysicalDeviceD3D11.cpp
@@ -63,7 +63,7 @@
             return mFeatureLevel >= D3D_FEATURE_LEVEL_11_1;
         }
         case wgpu::FeatureLevel::Compatibility: {
-            return true;
+            return mFeatureLevel >= D3D_FEATURE_LEVEL_11_0;
         }
         case wgpu::FeatureLevel::Undefined:
             break;