base-stats: Fix stat descriptions

Change-Id: Ib43dc9261287f10c615786a0d533304ab55ac232
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47741
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed