Add Cisco 3925 template (#195)

* add Cisco 3925 template

device-types/Cisco/CISCO3925.yml

@@ -0,0 +1,23 @@
+manufacturer: Cisco
+model: CISCO3925-CHASSIS
+part_number: CISCO3925-CHASSIS
+slug: cisco3925
+u_height: 3
+is_full_depth: true
+console_ports:
+  - name: con 0
+    type: rj-45
+power_ports:
+  - name: PS-1
+    allocated_draw: 100
+    maximum_draw: 420
+  - name: PS-2
+    allocated_draw: 100
+    maximum_draw: 420
+interfaces:
+  - name: GigabitEthernet0/0
+    type: 1000base-t
+  - name: GigabitEthernet0/1
+    type: 1000base-t
+  - name: GigabitEthernet0/2
+    type: 1000base-t