use fsr specific mods

1 job for master in 10 seconds (queued for 1 second)
Name Stage Failure
failed
report Test
(6/7) Installing pcre2 (10.36-r0)
(7/7) Installing git (2.30.2-r0)
Executing busybox-1.32.1-r6.trigger
Executing ca-certificates-20191127-r5.trigger
OK: 19 MiB in 21 packages
$ ./fetch-upstream-changes.sh
fatal: No url found for submodule path 'kif_custom' in .gitmodules
Cleaning up file based variables
ERROR: Job failed: exit code 128