Add TP-Link TD-W8950N (#1678)

* Add TP-Link modem

Add TP-Link TD-W8950N modem

* Revert "Add TP-Link modem"

* Add TP-Link Modem

Add TP-Link TD-W8950N ADSL Modem

* Update TD-W8950N.yaml

Fix trailing newline

* Remove blank parameters

* Update TD-W8950N.yaml

Delete Null values and change u_height

* Update TD-W8950N.yaml

Fix too many blank lines

* Update TD-W8950N.yaml

Fix slug name to start with manufactors name

device-types/TP-Link/TD-W8950N.yaml

@@ -0,0 +1,42 @@
+---
+manufacturer: TP-Link
+model: TD-W8950N
+slug: tp-link-td-w8950n
+part_number: TD-W8950N
+u_height: 1
+is_full_depth: false
+airflow: passive
+weight: 500.0
+weight_unit: g
+power-ports:
+  - name: power
+    type: dc-terminal
+    maximum_draw: 8
+    allocated_draw: 7
+    label: power
+interfaces:
+  - name: ADSL
+    type: xdsl
+    enabled: true
+    mgmt_only: false
+    label: ADSL
+  - name: LAN1
+    type: 100base-tx
+    enabled: true
+    mgmt_only: false
+    label: LAN1
+  - name: LAN2
+    type: 100base-tx
+    enabled: true
+    mgmt_only: false
+    label: LAN2
+  - name: LAN3
+    type: 100base-tx
+    enabled: true
+    mgmt_only: false
+    label: LAN3
+  - name: LAN4
+    type: 100base-tx
+    enabled: true
+    mgmt_only: false
+    label: LAN4/WAN