Added PSU FS-600-PSU-1200 (#3019)

Co-authored-by: Harry <[email protected]>

Author: rfranks-securenet

Diff for: module-types/Fortinet/FS-600-PSU-1200.yaml

@@ -0,0 +1,8 @@
+---
+manufacturer: Fortinet
+model: FS-600-PSU-1200
+part_number: FS-600-PSU-1200
+power-ports:
+  - name: PSU{module}
+    type: iec-60320-c14
+    maximum_draw: 1200