Add netgate 1537 config (#3351)

* added netgate 1537 config

* added device bays and part number

* added empty line at the end of yaml

* rename file to contain double '-' char

* change slug name to include double '-'

* use module bay instead of device bay and add supermicro aoc sgp i4 module

* remove quotes

* add position attribute

* subdevice role no longer needed

* rj45 should be interface port with mgmt only flag

* Update and rename 1537-pfsense-plus--security-gateway.yaml to 1537-Security-Gateway.yaml

---------

Co-authored-by: Rene Steen <steen.rene@indivumed.com>
Co-authored-by: Harry <Harry@cadby.co.uk>

device-types/Netgate/1537-Security-Gateway.yaml

@@ -0,0 +1,33 @@
+---
+manufacturer: Netgate
+model: 1537 Security Gateway
+slug: netgate-1537-security-gateway
+part_number: xg-1537
+u_height: 1
+weight: 3.54
+weight_unit: kg
+is_full_depth: false
+airflow: front-to-rear
+power-ports:
+  - name: psu
+    type: iec-60320-c14
+interfaces:
+  - name: ix0
+    type: 10gbase-x-sfpp
+    label: OPT1
+  - name: ix1
+    type: 10gbase-x-sfpp
+    label: OPT2
+  - name: igb0
+    type: 1000base-t
+    label: WAN
+  - name: igb1
+    type: 1000base-t
+    label: LAN
+  - name: ipmi
+    type: 1000base-t
+    mgmt_only: true
+module-bays:
+  - name: Slot 1
+    position: '1'
+    description: 4-port 1GbE Supermicro AOC-SGP-i4, 4-port 10GbE Intel X710BM2, 2-port 10GbE Chelsio T520-CR, 2-port 10GbE Intel X710BM2