GS/D3D: Default to DX12 on older GCN amd cards.

pcsx2/GS/Renderers/DX11/D3D.cpp

@@ -439,7 +439,9 @@ GSRendererType D3D::GetPreferredRenderer()
 			if (!feature_level.has_value())
 				return GSRendererType::DX11;
 			else if (feature_level == D3D_FEATURE_LEVEL_12_0)
-				return check_vulkan_supported() ? GSRendererType::VK : GSRendererType::DX11;
+				return check_vulkan_supported() ? GSRendererType::VK : GSRendererType::DX12;
+			else if (feature_level == D3D_FEATURE_LEVEL_11_1)
+				return GSRendererType::DX12;
 			else
 				return GSRendererType::DX11;
 		}