fix windows build issue

In windows, even use clang build, the V8_LIBC_MSVCRT was set to indicate use MSVC runtime libraries. Change to use __clang__ to determine enable cpuid magic inline assembly or not.

Change-Id: I7372a27b311b695f019c5ff2d42b691d749eb607
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1715332Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Tianyou Li <tianyou.li@intel.com>
Cr-Commit-Position: refs/heads/master@{#62884}

src/extensions/cputracemark-extension.cc

@@ -26,7 +26,7 @@ void CpuTraceMarkExtension::Mark(
 
 #if V8_HOST_ARCH_IA32 || V8_HOST_ARCH_X64
 
-#if !V8_LIBC_MSVCRT
+#if defined(__clang__)
   // for non msvc build
   uint32_t param =
       args[0]->Uint32Value(args.GetIsolate()->GetCurrentContext()).ToChecked();