Merge pull request #12245 from JanneKiiskila/target_upd_NUCLEO_WB55RG

NUCLEO_WB55RG - add device name "STM32WB55RGVx"

Author: 0xc0170

targets/targets.json

@@ -12060,14 +12060,15 @@
             "FLASH",
             "MPU"
         ],
+        "device_name": "STM32WB55RGVx",
         "features": [
             "BLE"
         ],
         "release_versions": [
             "2",
             "5"
         ],
-        "bootloader_supported": false
+        "bootloader_supported": true
     },
     "VBLUNO52": {
         "supported_form_factors": [
@@ -14176,4 +14177,4 @@
         "version": "1",
         "public": false
     }
-}
+}