Added Teltonika RUT240 device type (#1216)

* Added Teltonika RUT240 device type

* Update RUT240.yaml

Added weight. Fixed slug. Removed un-nessecary definitions

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Co-authored-by: Daniel W. Anner <daniel.anner@danstechsupport.com>

device-types/Teltonika/RUT240.yaml

@@ -0,0 +1,23 @@
+---
+manufacturer: Teltonika
+model: RUT240
+slug: teltonika-rut240
+part_number: RUT240
+u_height: 0.5
+is_full_depth: false
+weight: 125
+weight_unit: g
+comments: '[RUT240 Specs](https://teltonika-networks.com/cdn/products/2023/01/63b7fa83cae9a8-88547107/rut240-datasheet-v12.pdf)'
+power-ports:
+  - name: PS0
+    type: dc-terminal
+    maximum_draw: 7
+interfaces:
+  - name: lan
+    type: 100base-tx
+    poe_mode: pd
+    poe_type: passive-24v-2pair
+  - name: mob1s1a1
+    type: lte
+  - name: wan
+    type: 100base-tx