.clangd - Add -Wno-c++20-designator

Change-Id: I344f12e2f99e795e011de8d4426e76c282190918

.clangd

@@ -1,6 +1,6 @@
 CompileFlags:
     Remove: -W*
-    Add: [-Wall, -pedantic, -I/opt/rocm/include, -I/opt/rocm/include/hsa, -I/opt/rocm/include/rocprofiler]
+    Add: [-Wall, -Wno-c++20-designator, -pedantic, -I/opt/rocm/include, -I/opt/rocm/include/hsa, -I/opt/rocm/include/rocprofiler]
     Compiler: clang++
 
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