gcc: Add tigerlake to corei7 mapping

GCC 4.9 does not support new architecture flags such as skylake or
tigerlake.

Bug=b:141363149
TEST=Verify unit tests pass
     cd ${chromium_os}/src/third_party/toolchain-utils
     export PYTHONPATH=$(readlink -f .):$PYTHONPATH
     ./run_tests_for.py ./compiler_wrapper/*

Change-Id: I63a74cb8fa6d2b40a9890a1e61f5be7917321975
Signed-off-by: Edward Baker <edward.baker@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/1959943
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
2 files changed