cpu-minor: Remove redundant thread startup call

Don't call startup() twice on each of the threads.

Change-Id: Ibe3d1f25c4fdff291ee310abb9bcad3b184bab20
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/11037
1 file changed