configs: Fix spelling mistakes.

Replace "fequency" to "frequency".

Change-Id: I307c8b6d8e60cfcb213f22aca3f6abd43c6b5b1e
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/58229
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
8 files changed