Add Cisco ASA5506X (#198)

* Add ASA5506X

Co-authored-by: Brandon Donohoe <bldonohoe@marathonpetroleum.com>

device-types/Cisco/ASA5506X.yaml

@@ -0,0 +1,42 @@
+manufacturer: Cisco
+model: ASA5506-X
+slug: asa5506-x
+part_number: ASA5506
+u_height: 1
+is_full_depth: true
+console-ports:
+  - name: Con 0
+    type: rj-45
+  - name: Usb
+    type: usb-a
+power-ports:
+  - name: PS0
+    type: iec-60320-c14
+interfaces:
+  - name: GigabitEthernet1/1
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/2
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/3
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/4
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/5
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/6
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/7
+    type: 1000base-t
+    mgmt_only: false
+  - name: GigabitEthernet1/8
+    type: 1000base-t
+    mgmt_only: false
+  - name: Management1/1
+    type: 1000base-t
+    mgmt_only: true