Add MeshCore relay_radio firmware for Heltec T114

boards/nano-g2-ultra.json

@@ -0,0 +1,73 @@
+{
+    "build": {
+        "arduino": {
+            "ldscript": "nrf52840_s140_v6.ld"
+        },
+        "core": "nRF5",
+        "cpu": "cortex-m4",
+        "extra_flags": "-DARDUINO_NRF52840_FEATHER -DNRF52840_XXAA",
+        "f_cpu": "64000000L",
+        "hwids": [
+            [
+                "0x239A",
+                "0x8029"
+            ],
+            [
+                "0x239A",
+                "0x0029"
+            ],
+            [
+                "0x239A",
+                "0x002A"
+            ],
+            [
+                "0x239A",
+                "0x802A"
+            ]
+        ],
+        "usb_product": "BQ nRF52840",
+        "mcu": "nrf52840",
+        "variant": "nano-g2-ultra",
+        "bsp": {
+            "name": "adafruit"
+        },
+        "softdevice": {
+            "sd_flags": "-DS140",
+            "sd_name": "s140",
+            "sd_version": "6.1.1",
+            "sd_fwid": "0x00B6"
+        },
+        "bootloader": {
+            "settings_addr": "0xFF000"
+        }
+    },
+    "connectivity": [
+        "bluetooth"
+    ],
+    "debug": {
+        "jlink_device": "nRF52840_xxAA",
+        "svd_path": "nrf52840.svd",
+        "openocd_target": "nrf52.cfg"
+    },
+    "frameworks": [
+        "arduino"
+    ],
+    "name": "BQ nRF52840",
+    "upload": {
+        "maximum_ram_size": 235520,
+        "maximum_size": 815104,
+        "speed": 115200,
+        "protocol": "nrfutil",
+        "protocols": [
+            "jlink",
+            "nrfjprog",
+            "nrfutil",
+            "stlink"
+        ],
+        "use_1200bps_touch": true,
+        "require_upload_port": true,
+        "wait_for_upload_port": true
+    },
+    "url": "https://wiki.uniteng.com/en/meshtastic/nano-g2-ultra",
+    "vendor": "BQ Consulting"
+}