Extend avx512 win job with Intel oneAPI (#337)

The reason for the change is to mitigate the failure during compiling
when using Intel oneAPI product.
The check from buildbot will prevent the commit to be merged if the job
failed.

---------

Signed-off-by: Xiaodong Li <xiaodong.li@intel.com>

Author: DoyleLi

buildbot/osuosl/master/config/builders.py

@@ -910,6 +910,8 @@
                     extra_cmake_args=[
                         "-DCMAKE_C_FLAGS='-march=cascadelake'",
                         "-DCMAKE_CXX_FLAGS='-march=cascadelake'",
+                        "-DCMAKE_C_COMPILER=icx.EXE",
+                        "-DMAKE_CXX_COMPILER=icx.EXE",
                         "-DLLVM_ENABLE_RUNTIMES=compiler-rt",
                         "-DCOMPILER_RT_BUILD_SANITIZERS=OFF",
                         "-DCOMPILER_RT_BUILD_ORC=OFF",