Add --skip-lto to rpminspect annocheck

Resolves: #2024167
rpminspect failures in valgrind

rpminspect.yaml

@@ -5,6 +5,12 @@ inspections:
   xml: off
 
 annocheck:
+  # Currently lto is disabled globally for valgrind, it should be able
+  # to be enabled through upstream configure --enable-lto in the future.
+  # Note that all (default rhel-policy) flags need to be repeated here, if
+  # you override some config flags it will completely overwrite the
+  # defaults (--ignore-unknown --verbose).
+  - rhel-policy: --ignore-unknown --verbose --skip-lto
   # Ignore files built specially without hardening flags
   ignore:
     # Valgrind tools themselves (memcheck, cachegrind, massif, etc) are