Templates for Lenovo ThinkSystem SR645 and ThinkSystem SR850 V2 (#1931)

* Templates for Lenovo ThinkSystem SR645 and ThinkSystem SR850 V2

* Rename position module bays

device-types/Lenovo/ThinkSystem-SR645.yaml

@@ -0,0 +1,30 @@
+---
+manufacturer: Lenovo
+model: ThinkSystem SR645
+slug: lenovo-thinksystem-sr645
+part_number: 7D2X
+u_height: 1
+is_full_depth: true
+airflow: front-to-rear
+front_image: true
+rear_image: true
+comments: '[Lenovo ThinkSystem SR650 product guide](https://lenovopress.lenovo.com/lp1280.pdf)'
+weight: 20.2
+weight_unit: kg
+interfaces:
+  - name: XCC
+    type: 1000base-t
+    mgmt_only: true
+module-bays:
+  - name: PSU 1
+    position: PSU1
+  - name: PSU 2
+    position: PSU2
+  - name: OCP3
+    position: OCP3
+  - name: PCIe1
+    position: Slot1
+  - name: PCIe2
+    position: Slot2
+  - name: PCIe3
+    position: Slot3

device-types/Lenovo/ThinkSystem-SR850-v2.yaml

@@ -0,0 +1,38 @@
+---
+manufacturer: Lenovo
+model: ThinkSystem SR850 V2
+slug: lenovo-thinksystem-sr850-v2
+part_number: 7D32
+u_height: 2
+is_full_depth: true
+airflow: front-to-rear
+front_image: true
+rear_image: true
+comments: '[Lenovo ThinkSystem SR850 V2 product guide](https://lenovopress.lenovo.com/lp1301.pdf)'
+weight: 40
+weight_unit: kg
+interfaces:
+  - name: XCC
+    type: 1000base-t
+    mgmt_only: true
+module-bays:
+  - name: PSU 1
+    position: PSU1
+  - name: PSU 2
+    position: PSU2
+  - name: PCIe1
+    position: Slot1
+  - name: PCIe2
+    position: Slot2
+  - name: PCIe3
+    position: Slot3
+  - name: OCP3
+    position: Slot4
+  - name: PCIe5
+    position: Slot5
+  - name: PCIe6
+    position: Slot6
+  - name: PCIe7
+    position: Slot7
+  - name: PCIe8
+    position: Slot8