gaze17 (specs): Add warning about stock charger model's barrel size

* Add note warning the stock charger model is available with multiple barrel sizes
* Also add alternative charger model more likely to present correct barrel size

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Co-authored-by: Jacob Kauffmann <[email protected]>

Author: AlexanderK-S76

src/models/gaze17/README.md

@@ -61,6 +61,8 @@ The System76 Gazelle is a laptop with the following specifications:
             - Barrel size: 5.5mm (outer), 2.5mm (inner)
         - Included AC adapter: Chicony A18-150P1A
             - AC power cord type: IEC C5
+            - This model of AC adapter is known to be available with multiple barrel sizes; check the barrel size before purchasing from third parties
+            - Alternative compatible AC adapter: Chicony A17-150P2A
     - 54Wh 4-cell battery
         - Model number: NP50BAT-4-54
 - Sound