[HIP] [NFC] Rename to ClangArgs

#112041 replaced `llvm-mc` with `clang`.
The args are now feeding to clang.

Author: Xeonacid

clang/lib/Driver/ToolChains/HIPUtility.cpp

@@ -466,7 +466,7 @@ void HIP::constructGenerateObjFileFromHIPFatBinary(
 
   Objf << ObjBuffer;
 
-  ArgStringList McArgs{"-target", Args.MakeArgString(HostTriple.normalize()),
+  ArgStringList ClangArgs{"-target", Args.MakeArgString(HostTriple.normalize()),
                        "-o",      Output.getFilename(),
                        "-x",      "assembler",
                        ObjinFile, "-c"};