systemc: Add a stubbed out sc_event_finder class.

The standard defines this class very loosely, and so there isn't much
in the stub definition.

Change-Id: I2f8d07927a4eb087235e345a09d5a4d4891413b5
Reviewed-on: https://gem5-review.googlesource.com/10831
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
2 files changed