Merge pull request #174 from ot0tot/patch-1

Update GX12 backpack name

Author: pkendall64

hardware/targets.json

@@ -300,7 +300,7 @@
                 "upload_methods": ["passthru", "wifi"]
             },
             "gx12": {
-                "product_name": "GX12 Dual-Band Gemini-X TX",
+                "product_name": "RadioMaster GX12 Dual-Band Gemini-X TX",
                 "firmware": "ESP32C3_TX_Backpack",
                 "platform": "esp32-c3",
                 "upload_methods": ["etx", "wifi"]