configs: Use ArmFsWorkload for Arm baremetal

Change-Id: Ie6bfdd9b30438bc6eaf22bc79dcc1690ffa039be
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/26991
Tested-by: Gem5 Cloud Project GCB service account <345032938727@cloudbuild.gserviceaccount.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>

configs/common/FSConfig.py

@@ -256,6 +256,7 @@ def makeArmSystem(mem_mode, machine_type, num_cpus=1, mdesc=None,
     if bare_metal:
         # EOT character on UART will end the simulation
         self.realview.uart[0].end_on_eot = True
+        self.workload = ArmFsWorkload(atags_addr=0)
     else:
         workload = ArmFsLinux()