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>