Add Zyxel USG 310 and Ubiquiti A6 Enterprise AP (#1231)

* Add Zyxel USG 310

* Add Ubiquiti U6 Enterprise AP

* Update U6-Enterprise.yaml

Added weight and weight_unit

* Update USG310.yaml

Adjust weight

* Update USG310.yaml

* Update U6-Enterprise.yaml

Fix port type

* Update U6-Enterprise.yaml

* Update USG310.yaml

---------

Co-authored-by: Daniel W. Anner <daniel.anner@danstechsupport.com>

device-types/Ubiquiti/U6-Enterprise.yaml

@@ -0,0 +1,17 @@
+---
+manufacturer: Ubiquiti
+model: UniFi U6 Access Point Enterprise
+part_number: U6-Enterprise
+slug: ubiquiti-u6-enterprise
+u_height: 0
+is_full_depth: false
+weight: 2.1
+weight_unit: lb
+comments: '[UniFi 6 Enterprise Access Point](https://store.ui.com/products/u6-enterprise)'
+interfaces:
+  - name: Port 1
+    type: 2.5gbase-t
+    poe_mode: pd
+    poe_type: type2-ieee802.3at
+  - name: Wlan 0
+    type: ieee802.11ax

device-types/Zyxel/USG310.yaml

@@ -0,0 +1,36 @@
+---
+manufacturer: Zyxel
+model: USG 310
+slug: zyxel-usg310
+part_number: USG310-EU0102F
+u_height: 1
+is_full_depth: false
+airflow: passive
+weight: 3.3
+weight_unit: kg
+comments: '[USG 310 specs](https://www.zyxelguard.com/USG310.asp)'
+power-ports:
+  - name: PS
+    type: iec-60320-c14
+    maximum_draw: 58
+    description: 100 to 240 V AC, 50/60 Hz
+interfaces:
+  - name: '1'
+    type: 1000base-t
+  - name: '2'
+    type: 1000base-t
+  - name: '3'
+    type: 1000base-t
+  - name: '4'
+    type: 1000base-t
+  - name: '5'
+    type: 1000base-t
+  - name: '6'
+    type: 1000base-t
+  - name: '7'
+    type: 1000base-t
+  - name: '8'
+    type: 1000base-t
+console-ports:
+  - name: Console
+    type: de-9