Reviewd and fixed deadman architecture

Architecture/diagrams/deadman-permit.topology.json

@@ -1,42 +1,8 @@
 {
-  "title": "Hardware engine-permit equations",
-  "source": "IO_MODULES/DEAD_MAN.md: Logic equations",
+  "title": "Single-input hardware engine permission",
+  "source": "IO_MODULES/DEAD_MAN.md: Hardware gating",
   "reference_scope": "documentation only",
   "components": [
-    {
-      "ref": "VALID",
-      "kind": "and-with-inverted-B",
-      "pins": [
-        "A",
-        "B",
-        "Y"
-      ],
-      "value": ""
-    },
-    {
-      "ref": "VALIDP0",
-      "kind": "port",
-      "pins": [
-        "P"
-      ],
-      "value": "DEADMAN_A_HELD"
-    },
-    {
-      "ref": "VALIDP1",
-      "kind": "port",
-      "pins": [
-        "P"
-      ],
-      "value": "DEADMAN_B_RELEASED"
-    },
-    {
-      "ref": "VALIDO",
-      "kind": "port",
-      "pins": [
-        "P"
-      ],
-      "value": "DEADMAN_OK"
-    },
     {
       "ref": "PERMIT",
       "kind": "and",
@@ -73,25 +39,9 @@
     }
   ],
   "nets": [
-    {
-      "name": "DEADMAN_A_HELD",
-      "connections": [
-        "VALID.A",
-        "VALIDP0.P"
-      ]
-    },
-    {
-      "name": "DEADMAN_B_RELEASED",
-      "connections": [
-        "VALID.B",
-        "VALIDP1.P"
-      ]
-    },
     {
       "name": "DEADMAN_OK",
       "connections": [
-        "VALID.Y",
-        "VALIDO.P",
         "PERMIT.A",
         "PERMITP0.P"
       ]