sim: Adding missing argument of panic function

sim: Adding missing argument of panic function

panic function call in panicFsOnlyPseudoInst (src/sim/pseudo_inst.cc) needs to be invoked with argument (name).

Jira Issue: https://gem5.atlassian.net/jira/software/c/projects/GEM5/issues/GEM5-786?filter=allissues

Change-Id: Iecacab7b9e0383373b69e9b790fa822d173d29c3
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/35040
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>