[clang] [clang][tools] Add LevelZero support to offload-arch (PR #160570)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang/tools/offload-arch/LevelZeroArch.cpp clang/tools/offload-arch/OffloadArch.cpp
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/tools/offload-arch/LevelZeroArch.cpp b/clang/tools/offload-arch/LevelZeroArch.cpp
index 8b6b393f6..730796fa2 100644
--- a/clang/tools/offload-arch/LevelZeroArch.cpp
+++ b/clang/tools/offload-arch/LevelZeroArch.cpp
@@ -13,9 +13,7 @@
 
 #ifndef HAVE_LEVEL_ZERO_HEADERS
 
-int printGPUsByLevelZero() {
-   return 0;
-}
+int printGPUsByLevelZero() { return 0; }
 
 #else
 
@@ -25,8 +23,8 @@ int printGPUsByLevelZero() {
 #include "llvm/Support/Error.h"
 #include <cstdint>
 #include <cstdio>
-#include <memory>
 #include <level_zero/ze_api.h>
+#include <memory>
 
 using namespace llvm;
 extern cl::opt<bool> Verbose;
@@ -73,8 +71,8 @@ static bool loadLevelZero() {
     void *P = DynlibHandle->getAddressOfSymbol(entry.name);
     if (P == nullptr) {
       if (Verbose)
-        llvm::errs() << "Unable to find '" << entry.name << "' in '" << L0Library
-                     << "'!\n";
+        llvm::errs() << "Unable to find '" << entry.name << "' in '"
+                     << L0Library << "'!\n";
       return false;
     }
     *(entry.fptr) = P;

``````````

</details>


https://github.com/llvm/llvm-project/pull/160570