Add missing TARGET_XDOT_L151CC definition

Author: adbridge

rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h

@@ -527,7 +527,7 @@ osThreadDef_t os_thread_def_main = {(os_pthread)pre_main, osPriorityNormal, 1U,
 #elif defined(TARGET_STM32L152RE)
 #define INITIAL_SP            (0x20014000UL)
 
-#elif defined(TARGET_NZ32_SC151)
+#elif defined(TARGET_NZ32_SC151) || defined(TARGET_XDOT_L151CC)
 #define INITIAL_SP            (0x20008000UL)
 
 #elif defined(TARGET_STM32F446RE) || defined(TARGET_STM32F446VE) || defined(TARGET_STM32F446ZE)