add ProDesk 400 G6 MT (#2749)

* add ProDesk 400 G6 MT

* Update ProDesk-400-G6-MT.yaml

fixed issues

---------

Co-authored-by: Harry <Harry@cadby.co.uk>

Author: Jon1Games

device-types/HP/ProDesk-400-G6-MT.yaml

@@ -0,0 +1,17 @@
+---
+manufacturer: HP
+model: ProDesk 400 G6 MT
+slug: hpe-prodesk-400-g6-mt
+part_number: 8DS76PA
+u_height: 0
+is_full_depth: false
+weight: 5.47
+weight_unit: kg
+comments: '[HP ProDesk 400 G6 Microtower PC (8DS76PA) - All Tech Specs](https://www.hp.com/lk-en/products/desktops/product-details/product-specifications/30927632)'
+power-ports:
+  - name: PSU
+    type: iec-60320-c14
+    maximum_draw: 180
+interfaces:
+  - name: ETH-1
+    type: 1000base-t