tests: Add 'riscvmatched-fs.py' example to long/nightly tests

This patch adds "configs/example/gem5_library/riscvmatched-fs.py" as a
long/nightly test.

Change-Id: I2a31832d16a149e81e3a68f8a402d3dc86fb1924
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/64131
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed