Add GEPRC Nano 2.4G TD, and C3 Xrossband RX

Author: pkendall64

targets.json

@@ -1676,6 +1676,15 @@
                 "min_version": "3.3.0",
                 "platform": "esp32",
                 "firmware": "Unified_ESP32_2400_RX"
+            },
+            "nano-td": {
+                "product_name": "GEPRC Nano True Diversity 2.4GHz RX",
+                "lua_name": "GEPRC Dual RX",
+                "layout_file": "Generic C3 2400 True Diversity.json",
+                "upload_methods": ["uart", "wifi", "betaflight"],
+                "min_version": "3.5.0",
+                "platform": "esp32-c3",
+                "firmware": "Unified_ESP32C3_2400_RX"
             }
         },
         "rx_dual": {
@@ -1703,6 +1712,20 @@
                 "min_version": "3.5.2",
                 "platform": "esp32-c3",
                 "firmware": "Unified_ESP32C3_LR1121_RX"
+            },
+            "c3-dual": {
+                "product_name": "GEPRC C3 900/2400 Gemini Xrossband RX",
+                "lua_name": "GEPRC GemX RX",
+                "layout_file": "Generic LR1121 True Diversity.json",
+                "overlay": {
+                    "power_values": [12, 16, 19, 26],
+                    "power_values_dual": [-10, -6, -3, 13],
+                    "radio_rfsw_ctrl": [15, 0, 8, 4, 4, 14, 0, 13]
+                },
+                "upload_methods": ["uart", "wifi", "betaflight"],
+                "min_version": "3.5.2",
+                "platform": "esp32-c3",
+                "firmware": "Unified_ESP32C3_LR1121_RX"
             }
         }
     },