[llvm] AMDGPU: Use subarch triples in more unit tests (PR #210011)

[Matt Arsenault via llvm-commits]

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@@ -34,7 +34,7 @@ class PALMetadata : public AMDGPUTestBase {
   AMDGPUPALMetadata MD;
 
   PALMetadata() {
-    TM = createAMDGPUTargetMachine("amdgpu10.10--amdpal", "", "");
+    TM = createAMDGPUTargetMachine(Triple("amdgpu10.10--amdpal"), "", "");
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arsenm wrote:

Yes

https://github.com/llvm/llvm-project/pull/210011