SotBE S3: let AI side recruit small number of L2 units

The exact number depends on the difficulty level.

data/campaigns/Son_Of_The_Black_Eye/scenarios/03_Toward_Mountains_of_Haag.cfg

@@ -90,10 +90,37 @@
         side=2
         canrecruit=yes
         facing=se
-        recruit=Dwarvish Fighter, Dwarvish Thunderer, Dwarvish Scout
+        recruit=Dwarvish Steelclad, Dwarvish Thunderguard, Dwarvish Pathfinder, Dwarvish Fighter, Dwarvish Thunderer, Dwarvish Scout
         {GOLD 120 160 200}
         team_name=Dwarves
         user_team_name=_"Dwarves"
+        [ai]
+            [aspect]
+                id=recruitment_instructions
+                [facet]
+                    [value]
+                        [recruit]
+                            type=2
+#ifdef EASY
+                            number=0
+#endif
+#ifdef NORMAL
+                            number=1
+#endif
+#ifdef HARD
+                            number=2
+#endif
+                            total=yes
+                            importance=1
+                        [/recruit]
+                        [recruit]
+                            type=1
+                            importance=0
+                        [/recruit]
+                    [/value]
+                [/facet]
+            [/aspect]
+        [/ai]
     [/side]
 
     [side]