Fix detection of non-AMD clang. Without it, version is set to 0.0.0,
and tensile produces incorrect LLVM code (LLVM<19 syntax for LLVM 20).

Upstream bug: https://github.com/ROCm/hipBLASLt/issues/2060
--- a/tensilelite/Tensile/Common.py
+++ b/tensilelite/Tensile/Common.py
@@ -1753,8 +1753,8 @@ def assignGlobalParameters(config, cxxCompiler=None):
       if 'HIP version' in line:
         globalParameters['HipClangVersion'] = line.split()[2]
         print1("# Found hipcc version " + globalParameters['HipClangVersion'])
-      if 'AMD clang version' in line:
-        globalParameters['AMDClangVersion'] = line.split()[3]
+      if 'clang version ' in line:
+        globalParameters['AMDClangVersion'] = line.split('clang version ')[1]
         print1("# Found clang version " + globalParameters['AMDClangVersion'])
 
   except (subprocess.CalledProcessError, OSError) as e: