Added device Lenovo Flex system chassis

device-types/Lenovo/FLEX-SYSTEM.yaml

@@ -0,0 +1,38 @@
+manufacturer: Lenovo
+model: Flex system
+slug: flex-system
+part_number: 8721
+u_height: 10
+subdevice_role: parent
+interfaces:
+  - name: CMM
+    type: 1000base-t
+    mgmt_only: true
+power-ports:
+  - name: PSU0
+    type: iec-60320-c20
+  - name: PSU1
+    type: iec-60320-c20
+  - name: PSU2
+    type: iec-60320-c20
+  - name: PSU3
+    type: iec-60320-c20
+  - name: PSU4
+    type: iec-60320-c20
+  - name: PSU5
+    type: iec-60320-c20
+device-bays:
+  - name: Bay 1
+  - name: Bay 2
+  - name: Bay 3
+  - name: Bay 4
+  - name: Bay 5
+  - name: Bay 6
+  - name: Bay 7
+  - name: Bay 8
+  - name: Bay 9
+  - name: Bay 10
+  - name: Bay 11
+  - name: Bay 12
+  - name: Bay 13
+  - name: Bay 14