IAR Bootloader support

Author: chrissnow

targets/TARGET_STM/TARGET_STM32L1/TARGET_XDOT_L151CC/device/TOOLCHAIN_IAR/stm32l152xc.icf

@@ -1,7 +1,9 @@
+if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
+if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x40000; }
 /* [ROM = 256kb = 0x40000] */
-define symbol __intvec_start__     = 0x08000000;
-define symbol __region_ROM_start__ = 0x08000000;
-define symbol __region_ROM_end__   = 0x0803FFFF;
+define symbol __intvec_start__     = MBED_APP_START;
+define symbol __region_ROM_start__ = MBED_APP_START;
+define symbol __region_ROM_end__   = MBED_APP_START + MBED_APP_SIZE - 1;
 
 /* [RAM = 32kb = 0x8000] Vector table dynamic copy: 73 vectors = 292 bytes (0x124) to be reserved in RAM */
 define symbol __NVIC_start__          = 0x20000000;