gdb: Adjust for removal of the 'fsu' field from cpu_mem
gdb: Adjust for removal of the 'fsu' field from cpu_mem

Message-Id: <ec5ee3f5e9f9d23d0712994c3c3db5f32ddea790@scylladb.com>

duarten/scylla,scylladb/scylla,duarten/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla,avikivity/scylla,avikivity/scylla