fastmodel: Checkpoint the TCs when checkpointing a fast model CPU.

The generic thread context checkpointing code can be used which calls
into the ThreadContext methods to read the required state.

Change-Id: Ib5c318ff4d2e756274b4c90b56533b2689a837f2
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23785
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
2 files changed