Adds a new Huawei Device Type: S5700-52P-LI-AC (#3400)

* Adds 'huawei-s5700-52p-li-ac.front.png'

* Adds 'huawei-s5700-52p-li-ac.rear.png'

* Adds 'S5700-52P-LI-AC.yaml'

* Update S5700-52P-LI-AC.yaml

---------

Co-authored-by: Harry <Harry@cadby.co.uk>

device-types/Huawei/S5700-52P-LI-AC.yaml

@@ -0,0 +1,124 @@
+---
+manufacturer: Huawei
+model: S5700-52P-LI-AC
+slug: huawei-s5700-52p-li-ac
+part_number: '02353174'
+u_height: 1
+weight: 3.5
+weight_unit: kg
+is_full_depth: false
+airflow: left-to-right
+front_image: true
+rear_image: true
+comments: '[S5700-52P-LI-AC Hardware Description](https://support.huawei.com/enterprise/en/doc/EDOC1000013597/d75bfeb2/s5700-52p-li-ac)'
+console-ports:
+  - name: CONSOLE
+    type: rj-45
+power-ports:
+  - name: PWR1
+    type: iec-60320-c14
+interfaces:
+  - name: GigabitEthernet0/0/1
+    type: 1000base-t
+  - name: GigabitEthernet0/0/2
+    type: 1000base-t
+  - name: GigabitEthernet0/0/3
+    type: 1000base-t
+  - name: GigabitEthernet0/0/4
+    type: 1000base-t
+  - name: GigabitEthernet0/0/5
+    type: 1000base-t
+  - name: GigabitEthernet0/0/6
+    type: 1000base-t
+  - name: GigabitEthernet0/0/7
+    type: 1000base-t
+  - name: GigabitEthernet0/0/8
+    type: 1000base-t
+  - name: GigabitEthernet0/0/9
+    type: 1000base-t
+  - name: GigabitEthernet0/0/10
+    type: 1000base-t
+  - name: GigabitEthernet0/0/11
+    type: 1000base-t
+  - name: GigabitEthernet0/0/12
+    type: 1000base-t
+  - name: GigabitEthernet0/0/13
+    type: 1000base-t
+  - name: GigabitEthernet0/0/14
+    type: 1000base-t
+  - name: GigabitEthernet0/0/15
+    type: 1000base-t
+  - name: GigabitEthernet0/0/16
+    type: 1000base-t
+  - name: GigabitEthernet0/0/17
+    type: 1000base-t
+  - name: GigabitEthernet0/0/18
+    type: 1000base-t
+  - name: GigabitEthernet0/0/19
+    type: 1000base-t
+  - name: GigabitEthernet0/0/20
+    type: 1000base-t
+  - name: GigabitEthernet0/0/21
+    type: 1000base-t
+  - name: GigabitEthernet0/0/22
+    type: 1000base-t
+  - name: GigabitEthernet0/0/23
+    type: 1000base-t
+  - name: GigabitEthernet0/0/24
+    type: 1000base-t
+  - name: GigabitEthernet0/0/25
+    type: 1000base-t
+  - name: GigabitEthernet0/0/26
+    type: 1000base-t
+  - name: GigabitEthernet0/0/27
+    type: 1000base-t
+  - name: GigabitEthernet0/0/28
+    type: 1000base-t
+  - name: GigabitEthernet0/0/29
+    type: 1000base-t
+  - name: GigabitEthernet0/0/30
+    type: 1000base-t
+  - name: GigabitEthernet0/0/31
+    type: 1000base-t
+  - name: GigabitEthernet0/0/32
+    type: 1000base-t
+  - name: GigabitEthernet0/0/33
+    type: 1000base-t
+  - name: GigabitEthernet0/0/34
+    type: 1000base-t
+  - name: GigabitEthernet0/0/35
+    type: 1000base-t
+  - name: GigabitEthernet0/0/36
+    type: 1000base-t
+  - name: GigabitEthernet0/0/37
+    type: 1000base-t
+  - name: GigabitEthernet0/0/38
+    type: 1000base-t
+  - name: GigabitEthernet0/0/39
+    type: 1000base-t
+  - name: GigabitEthernet0/0/40
+    type: 1000base-t
+  - name: GigabitEthernet0/0/41
+    type: 1000base-t
+  - name: GigabitEthernet0/0/42
+    type: 1000base-t
+  - name: GigabitEthernet0/0/43
+    type: 1000base-t
+  - name: GigabitEthernet0/0/44
+    type: 1000base-t
+  - name: GigabitEthernet0/0/45
+    type: 1000base-t
+  - name: GigabitEthernet0/0/46
+    type: 1000base-t
+  - name: GigabitEthernet0/0/47
+    type: 1000base-t
+  - name: GigabitEthernet0/0/48
+    type: 1000base-t
+  - name: GigabitEthernet0/0/49
+    type: 1000base-x-sfp
+  - name: GigabitEthernet0/0/50
+    type: 1000base-x-sfp
+  - name: GigabitEthernet0/0/51
+    type: 1000base-x-sfp
+  - name: GigabitEthernet0/0/52
+    type: 1000base-x-sfp