typo + moved device_name

Author: hallard

targets/targets.json

@@ -4381,7 +4381,7 @@
         ],
         "device_name": "STM32WL55JCIx"
     },
-    "MCU_STM32WLe5xC": {
+    "MCU_STM32WLE5xC": {
         "inherits": [
             "MCU_STM32WL"
         ],
@@ -4392,7 +4392,6 @@
         "extra_labels_add": [
             "STM32WLE5xC"
         ],
-        "device_name": "STM32WLE5JCIx",
         "mbed_rom_start": "0x8000000",
         "mbed_rom_size": "0x40000",
         "mbed_ram_start": "0x20000000",