[prim_arbiter_fixed/fpv] Add generated FPV testbench

Signed-off-by: Michael Schaffner <msf@google.com>
diff --git a/hw/formal/fpv_all b/hw/formal/fpv_all
index 44ddb0e..67672c3 100755
--- a/hw/formal/fpv_all
+++ b/hw/formal/fpv_all
@@ -36,6 +36,7 @@
   # run formal on dedicated FPV testbenches
   "prim_arbiter_ppc_fpv"
   "prim_arbiter_tree_fpv"
+  "prim_arbiter_fixed_fpv"
   "prim_alert_rxtx_fpv"
   "prim_alert_rxtx_async_fpv"
   "prim_esc_rxtx_fpv"