systemc: fix flexible conversion when reusing transactions

To make the all extension states correct, we still need to proceed the
plugins when reusing the transactions, since we don't know the detail of
the plugins.

Change-Id: I18acd64f54be4c82a0678b98e834ea9548de1f58
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/63871
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed