configs,stdlib: Fix import in riscvmatched-fs.py

Change-Id: I2ff4139457d32336f40c6655231064a12c4d8694
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/65852
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/65973
1 file changed