add IDs for ESP32-C6 and ESP32-P4

Author: Icarus113

utils/uf2families.json

@@ -174,6 +174,16 @@
         "short_name": "ESP32H2",
         "description": "ESP32-H2"
     },
+    {
+        "id": "0x540ddf62",
+        "short_name": "ESP32C6",
+        "description": "ESP32-C6"
+    },
+    {
+        "id": "0x3d308e94",
+        "short_name": "ESP32P4",
+        "description": "ESP32-P4"
+    },
     {
         "id": "0xe48bff56",
         "short_name": "RP2040",