systemc: keep SC_CONCAT* macro

Call of TLM_DECLARE_EXTENDED_PHASE requires SC_CONCAT* macros.  This change
keeps those macros to avoid compile errors.

Change-Id: I573c4c126a350ef1a752d1c50658e7d9cedaaeae
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24123
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed