systemc: Add some nonstandard, undocumented sc_report_* functions.

The tests use these functions.

Change-Id: I3cdc10d433d9388742a20fb3a97a1a3efa699e11
Reviewed-on: https://gem5-review.googlesource.com/11271
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
3 files changed