Add device ISCOM2924GF-4GE (#4026)

* Add device ISCOM2924GF-4GE
Switch Raisecom ISCOM2924GF-4GE
24x SFP 1 Gbps
4x  SFP/RJ-45 Combo 1 Gbps

* Add device ISCOM2924GF-4GE
Correct PSU slots as module bays.

Author: sysadmin-pg

device-types/Raisecom/ISCOM2924GF-4GE.yaml

@@ -0,0 +1,79 @@
+---
+manufacturer: Raisecom
+model: ISCOM2924GF-4GE
+slug: raisecom-iscom2924gf-4ge
+u_height: 1.0
+is_full_depth: false
+airflow: front-to-rear
+weight: 5.5
+weight_unit: kg
+comments: See [Product Catalog 2017 v2](https://www.raisecom.com/sites/default/files/RC%20Catalog%202017%20v2.pdf).
+console-ports:
+  - name: MGMT
+    type: usb-a
+module-bays:
+  - name: PSU1
+    position: '1'
+  - name: PSU2
+    position: '2'
+interfaces:
+  - name: '1'
+    type: 1000base-x-sfp
+  - name: '2'
+    type: 1000base-x-sfp
+  - name: '3'
+    type: 1000base-x-sfp
+  - name: '4'
+    type: 1000base-x-sfp
+  - name: '5'
+    type: 1000base-x-sfp
+  - name: '6'
+    type: 1000base-x-sfp
+  - name: '7'
+    type: 1000base-x-sfp
+  - name: '8'
+    type: 1000base-x-sfp
+  - name: '9'
+    type: 1000base-x-sfp
+  - name: '10'
+    type: 1000base-x-sfp
+  - name: '11'
+    type: 1000base-x-sfp
+  - name: '12'
+    type: 1000base-x-sfp
+  - name: '13'
+    type: 1000base-x-sfp
+  - name: '14'
+    type: 1000base-x-sfp
+  - name: '15'
+    type: 1000base-x-sfp
+  - name: '16'
+    type: 1000base-x-sfp
+  - name: '17'
+    type: 1000base-x-sfp
+  - name: '18'
+    type: 1000base-x-sfp
+  - name: '19'
+    type: 1000base-x-sfp
+  - name: '20'
+    type: 1000base-x-sfp
+  - name: '21'
+    type: 1000base-x-sfp
+  - name: '22'
+    type: 1000base-x-sfp
+  - name: '23'
+    type: 1000base-x-sfp
+  - name: '24'
+    type: 1000base-x-sfp
+  - name: '25'
+    type: 1000base-x-sfp
+    description: Combo port (100/1000Base-X SFP + 10/100/1000Base-T)
+  - name: '26'
+    type: 1000base-x-sfp
+    description: Combo port (100/1000Base-X SFP + 10/100/1000Base-T)
+  - name: '27'
+    type: 1000base-x-sfp
+    description: Combo port (100/1000Base-X SFP + 10/100/1000Base-T)
+  - name: '28'
+    type: 1000base-x-sfp
+    description: Combo port (100/1000Base-X SFP + 10/100/1000Base-T)