Disable extended-scope memory on gfx120x

Do not allow extended-scope fine-grain memory on gfx120x devices.

Change-Id: I1e6e6c1860de00160cca9d8137b129c7e32c0526
Signed-off-by: Chris Freehill <cfreehil@amd.com>

runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -469,8 +469,10 @@ void GpuAgent::InitRegionList() {
           regions_.push_back(region);
 
           if (region->IsLocalMemory()) {
-            regions_.push_back(
-                new MemoryRegion(false, false, false, true, true, this, mem_props[mem_idx]));
+            // Extended Fine-Grain memory
+            if (!(isa_->GetMajorVersion() == 12 && isa_->GetMinorVersion() == 0))
+              regions_.push_back(
+                  new MemoryRegion(false, false, false, true, true, this, mem_props[mem_idx]));
 
             // Expose VRAM as uncached/fine grain over PCIe (if enabled) or XGMI.
             bool user_visible = (properties_.HiveID != 0) ||