systemc: Implement Object::simcontext().

Implement it as a nonstandard alias for the also non-standard
sc_get_curr_simcontext.

Change-Id: Ic9a51efa93f687e4b57d622247a5510136fab221
Reviewed-on: https://gem5-review.googlesource.com/c/13397
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
1 file changed