Enable bootloader for NUCLEO_F207ZG

Author: Juho Eskeli

targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/device/system_clock.c

@@ -30,6 +30,7 @@
 **/
 
 #include "stm32f2xx.h"
+#include "nvic_addr.h"
 #include "mbed_error.h"
 
 /*!< Uncomment the following line if you need to relocate your vector Table in
@@ -88,7 +89,7 @@ void SystemInit(void)
 #ifdef VECT_TAB_SRAM
     SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
 #else
-    SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+    SCB->VTOR = NVIC_FLASH_VECTOR_ADDRESS; /* Vector Table Relocation in Internal FLASH */
 #endif
 
 }

targets/targets.json

@@ -979,6 +979,7 @@
         "device_has_remove": ["LPTICKER"],
         "release_versions": ["2", "5"],
         "device_name": "STM32F207ZG",
+        "bootloader_supported": true,
         "overrides": {
             "network-default-interface-type": "ETHERNET"
         }
@@ -4461,7 +4462,7 @@
         "mbed_rom_start":   "0x10040000",
         "mbed_rom_size":    "0x40000",
         "mbed_ram_start":   "0x30008000",
-        "mbed_ram_size":    "0x10000", 
+        "mbed_ram_size":    "0x10000",
         "inherits": ["Target"],
         "device_has": ["USTICKER", "LPTICKER", "RTC", "ANALOGIN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "STDIO_MESSAGES", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "TRNG", "FLASH"],
         "detect_code": ["1305"],