[NUCLEO_F303ZE] Add RTOS support

Author: jamike

rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h

@@ -511,7 +511,7 @@ osThreadDef_t os_thread_def_main = {(os_pthread)pre_main, osPriorityNormal, 1U,
 #elif defined(TARGET_STM32F401VC)
 #define INITIAL_SP            (0x20010000UL)
 
-#elif defined(TARGET_STM32F303RE)
+#elif defined(TARGET_STM32F303RE) ||  defined(TARGET_STM32F303ZE)
 #define INITIAL_SP            (0x20010000UL)
 
 #elif defined(TARGET_STM32F303K8)

rtos/rtx/TARGET_CORTEX_M/RTX_Conf_CM.c

@@ -55,7 +55,7 @@
    || defined(TARGET_EFM32GG_STK3700) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32PG_STK3401) || defined(TARGET_STM32F767ZI) \
    || defined(TARGET_NUMAKER_PFM_NUC472) || defined(TARGET_NCS36510)
 #    define OS_TASKCNT         14
-#  elif defined(TARGET_LPC11U24) || defined(TARGET_STM32F303RE) || defined(TARGET_STM32F303K8) || defined(TARGET_LPC11U35_401)  || defined(TARGET_LPC11U35_501) || defined(TARGET_LPCCAPPUCCINO) || defined(TARGET_LPC1114) \
+#  elif defined(TARGET_LPC11U24) || defined(TARGET_STM32F303RE) || defined(TARGET_STM32F303ZE) || defined(TARGET_STM32F303K8) || defined(TARGET_LPC11U35_401)  || defined(TARGET_LPC11U35_501) || defined(TARGET_LPCCAPPUCCINO) || defined(TARGET_LPC1114) \
    || defined(TARGET_LPC812)   || defined(TARGET_KL25Z)         || defined(TARGET_KL26Z)       || defined(TARGET_KL27Z)         || defined(TARGET_KL05Z)        || defined(TARGET_STM32F100RB)  || defined(TARGET_STM32F051R8) \
    || defined(TARGET_STM32F103RB) || defined(TARGET_LPC824) || defined(TARGET_STM32F302R8) || defined(TARGET_STM32F334R8) || defined(TARGET_STM32F334C8) \
    || defined(TARGET_STM32L031K6) || defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8) || defined(TARGET_STM32L073RZ) || defined(TARGET_STM32F072RB) || defined(TARGET_STM32F091RC) || defined(TARGET_NZ32_SC151) \
@@ -97,7 +97,7 @@
    || defined(TARGET_SSCI824) || defined(TARGET_STM32F030R8) || defined(TARGET_STM32F070RB) \
    || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32PG_STK3401)
 #      define OS_MAINSTKSIZE    128
-#  elif defined(TARGET_STM32F334R8) || defined(TARGET_STM32F303RE) ||  defined(TARGET_STM32F303K8) ||  defined(TARGET_STM32F334C8) \
+#  elif defined(TARGET_STM32F334R8) || defined(TARGET_STM32F303RE)|| defined(TARGET_STM32F303ZE) ||  defined(TARGET_STM32F303K8) ||  defined(TARGET_STM32F334C8) \
    || defined(TARGET_STM32L031K6) || defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8) || defined(TARGET_STM32L073RZ) \
    || defined(TARGET_EFM32HG_STK3400) || defined(TARGET_BEETLE)
 #      define OS_MAINSTKSIZE    112
@@ -169,7 +169,7 @@
 #  if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) || defined(TARGET_TEENSY3_1)
 #    define OS_CLOCK       96000000
 
-#  elif defined(TARGET_LPC1347) || defined(TARGET_STM32F303VC) || defined(TARGET_LPC1549) || defined(TARGET_STM32F334R8) || defined(TARGET_STM32F334C8) || defined(TARGET_STM32F303RE)
+#  elif defined(TARGET_LPC1347) || defined(TARGET_STM32F303VC) || defined(TARGET_LPC1549) || defined(TARGET_STM32F334R8) || defined(TARGET_STM32F334C8) || defined(TARGET_STM32F303RE) || defined(TARGET_STM32F303ZE)
 #    define OS_CLOCK       72000000
 
 #  elif defined(TARGET_STM32F303K8)