STM33H7: DISCO_H747I inherit from MCU_STM32H747xI

Author: jeromecoutant

targets/targets.json

@@ -2894,25 +2894,16 @@
             "GENERIC_H745I"
         ]
     },
-    "DISCO_H747I_CM7": {
+    "MCU_STM32H747xI": {
         "inherits": [
             "MCU_STM32"
         ],
-        "core": "Cortex-M7FD",
-        "components_add": [
-            "QSPIF",
-            "FLASHIAP"
-        ],
-        "mbed_rom_start": "0x08000000",
-        "mbed_rom_size": "0x100000",
-        "mbed_ram_start": "0x24000000",
-        "mbed_ram_size": "0x80000",
         "extra_labels_add": [
             "STM32H7",
-            "STM32H747xI",
-            "STM32H747xI_CM7",
-            "DISCO_H747I",
-            "MT25QL512"
+            "STM32H747xI"
+        ],
+        "components_add": [
+            "FLASHIAP"
         ],
         "config": {
             "clock_source": {
@@ -2927,21 +2918,12 @@
         },
         "macros_add": [
             "STM32H747xx",
-            "CORE_CM7",
             "EXTRA_IDLE_STACK_REQUIRED",
             "MBED_TICKLESS"
         ],
         "overrides": {
             "lpticker_delay_ticks": 0
         },
-        "supported_form_factors": [
-            "ARDUINO",
-            "STMOD",
-            "PMOD"
-        ],
-        "detect_code": [
-            "0814"
-        ],
         "device_has_add": [
             "ANALOGOUT",
             "CAN",
@@ -2951,70 +2933,87 @@
             "QSPI",
             "MPU"
         ],
-        "device_name": "STM32H747XIHx",
-        "bootloader_supported": true
+        "bootloader_supported": true,
+        "public": false
     },
-    "DISCO_H747I": {
+    "MCU_STM32H747xI_CM7": {
         "inherits": [
-            "DISCO_H747I_CM7"
-        ]
+            "MCU_STM32H747xI"
+        ],
+        "extra_labels_add": [
+            "STM32H747xI_CM7"
+        ],
+        "core": "Cortex-M7FD",
+        "mbed_rom_start": "0x08000000",
+        "mbed_rom_size": "0x100000",
+        "mbed_ram_start": "0x24000000",
+        "mbed_ram_size": "0x80000",
+        "macros_add": [
+            "CORE_CM7"
+        ],
+        "public": false
     },
-    "DISCO_H747I_CM4": {
+    "DISCO_H747I_CM7": {
         "inherits": [
-            "MCU_STM32"
+            "MCU_STM32H747xI_CM7"
+        ],
+        "supported_form_factors": [
+            "ARDUINO",
+            "STMOD",
+            "PMOD"
         ],
-        "core": "Cortex-M4F",
         "extra_labels_add": [
-            "STM32H7",
-            "STM32H747xI",
-            "STM32H747xI_CM4",
             "DISCO_H747I",
             "MT25QL512"
         ],
         "components_add": [
-            "QSPIF",
-            "FLASHIAP"
+            "QSPIF"
+        ],
+        "detect_code": [
+            "0814"
+        ],
+        "device_name": "STM32H747XIHx"
+    },
+    "DISCO_H747I": {
+        "inherits": [
+            "DISCO_H747I_CM7"
+        ]
+    },
+    "MCU_STM32H747xI_CM4": {
+        "inherits": [
+            "MCU_STM32H747xI"
         ],
+        "extra_labels_add": [
+            "STM32H747xI_CM4"
+        ],
+        "core": "Cortex-M4F",
         "mbed_rom_start": "0x08100000",
         "mbed_rom_size": "0x100000",
         "mbed_ram_start": "0x10000000",
         "mbed_ram_size": "0x48000",
-        "config": {
-            "clock_source": {
-                "help": "Mask value : USE_PLL_HSE_EXTC | USE_PLL_HSE_XTAL (need HW patch) | USE_PLL_HSI",
-                "value": "USE_PLL_HSE_EXTC",
-                "macro_name": "CLOCK_SOURCE"
-            },
-            "lpticker_lptim": {
-                "help": "This target supports LPTIM. Set value 1 to use LPTIM for LPTICKER, or 0 to use RTC wakeup timer",
-                "value": 1
-            }
-        },
         "macros_add": [
-            "STM32H747xx",
-            "CORE_CM4",
-            "EXTRA_IDLE_STACK_REQUIRED",
-            "MBED_TICKLESS"
+            "CORE_CM4"
+        ],
+        "OUTPUT_EXT": "hex",
+        "public": false
+    },
+    "DISCO_H747I_CM4": {
+        "inherits": [
+            "MCU_STM32H747xI_CM4"
+        ],
+        "extra_labels_add": [
+            "DISCO_H747I",
+            "MT25QL512"
+        ],
+        "components_add": [
+            "QSPIF"
         ],
-        "overrides": {
-            "lpticker_delay_ticks": 0
-        },
         "supported_form_factors": [
             "ARDUINO",
             "STMOD",
             "PMOD"
         ],
-        "device_has_add": [
-            "ANALOGOUT",
-            "CAN",
-            "CRC",
-            "TRNG",
-            "FLASH",
-            "QSPI",
-            "MPU"
-        ],
-        "OUTPUT_EXT": "hex",
-        "bootloader_supported": true
+        "device_name": "STM32H747XIHx"
     },
     "DISCO_L072CZ_LRWAN1": {
         "inherits": [