Ensure that IsSupported being false disables the tracked hierachy in our tests (#88848)

src/tests/JIT/HardwareIntrinsics/X86/X86Base/CpuId.cs

@@ -373,7 +373,7 @@ public unsafe static void CpuId()
         static bool IsBitIncorrect(int register, int bitNumber, Type isa, bool isSupported, string name, ref bool isHierarchyDisabled)
         {
             bool isSupportedByHardware = (register & (1 << bitNumber)) != 0;
-            isHierarchyDisabled |= !GetDotnetEnable(name);
+            isHierarchyDisabled |= (!isSupported || !GetDotnetEnable(name));
 
             if (isSupported)
             {

src/tests/readytorun/HardwareIntrinsics/X86/CpuId.cs

@@ -366,7 +366,7 @@ public unsafe static int Main()
         static bool IsBitIncorrect(int register, int bitNumber, Type isa, bool isSupported, string name, ref bool isHierarchyDisabled)
         {
             bool isSupportedByHardware = (register & (1 << bitNumber)) != 0;
-            isHierarchyDisabled |= !GetDotnetEnable(name);
+            isHierarchyDisabled |= (!isSupported || !GetDotnetEnable(name));
 
             if (isSupported)
             {