cpu: Set ContextId on request from trace CPU

Adds a contextId to the trace CPU in one more case that was missing.
Without this a panic is triggered in the cache.

Change-Id: I78bd70ad1e3657c9a6a1d56c234c007c2e2b586c
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34035
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed