Updates Huawei Device Type: NE8000 F1A-8H20Q (#3398)

* Adds 'huawei-ne8000-f1a-8h20q.front.png'

* Adds 'huawei-ne8000-f1a-8h20q.rear.png'

* Adds Elevation Images to NE8000-F1A-8H20Q.yaml

* Updates comments hyperlink on .yaml

device-types/Huawei/NE8000-F1A-8H20Q.yaml

@@ -6,6 +6,8 @@ part_number: 02353AES
 u_height: 1.0
 is_full_depth: true
 airflow: front-to-rear
+front_image: true
+rear_image: true
 comments: '[NetEngine 8000 F1A Universal Service Router](https://e.huawei.com/en/material/networking/service-router/b332209e877b43ccbf162820cd96c756)'
 weight: 6.3
 weight_unit: kg

device-types/Huawei/S6750-H48Y8C.yaml

@@ -10,7 +10,7 @@ weight_unit: kg
 airflow: front-to-rear
 front_image: true
 rear_image: true
-comments: '[S6750-H48Y8C (48*25GE SFP28 ports, 8*100GE QSFP28 ports, without power module)](https://support.huawei.com/enterprise/en/doc/EDOC1100214356/84b14050/s6750-h48y8c-02355uel)'
+comments: '[S6750-H48Y8C (48*25GE SFP28 ports, 8*100GE QSFP28 ports, without power module)](https://support.huawei.com/enterprise/en/doc/EDOC1100382055/ce5c8c83/netengine-8000-f1a-8h20q)'
 console-ports:
   - name: console
     type: rj-45