set AEB to ok since it is not enabled atm

Signed-off-by: Daniel Sanchez <danielsanchezaran@gmail.com>

Author: danielsanchezaran

system/system_diagnostic_monitor/config/control.yaml

@@ -38,7 +38,7 @@ units:
     name: heartbeat
 
   - path: /autoware/control/emergency_braking
-    type: diag
+    type: ok
     node: autonomous_emergency_braking
     name: aeb_emergency_stop