Enable cpp core guidelines macro checks

We only use a couple macros.  Ignore them in the checks.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I38feb10f76f6aaea8899617f081c9be68c88b3eb
diff --git a/.clang-tidy b/.clang-tidy
index 311617b..ddf3b64 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -203,6 +203,7 @@
 clang-analyzer-webkit.RefCntblBaseVirtualDtor,
 cppcoreguidelines-init-variables,
 cppcoreguidelines-interfaces-global-init,
+cppcoreguidelines-macro-usage,
 cppcoreguidelines-pro-bounds-pointer-arithmetic,
 cppcoreguidelines-pro-type-member-init,
 cppcoreguidelines-pro-type-reinterpret-cast,