Fix Cortex-M0 Cannot Execute Reboot

Signed-off-by: xiaofan <xfan1024@live.com>

libcpu/arm/cortex-m0/cpuport.c

@@ -119,7 +119,7 @@ void rt_hw_hard_fault_exception(struct exception_stack_frame *contex)
 #define SCB_HFSR        (*(volatile const unsigned *)0xE000ED2C) /* HardFault Status Register */
 #define SCB_MMAR        (*(volatile const unsigned *)0xE000ED34) /* MemManage Fault Address register */
 #define SCB_BFAR        (*(volatile const unsigned *)0xE000ED38) /* Bus Fault Address Register */
-#define SCB_AIRCR       (*(volatile unsigned long *)0xE000ED00)  /* Reset control Address Register */
+#define SCB_AIRCR       (*(volatile unsigned long *)0xE000ED0C)  /* Reset control Address Register */
 #define SCB_RESET_VALUE 0x05FA0004                               /* Reset value, write to SCB_AIRCR can reset cpu */
 
 #define SCB_CFSR_MFSR   (*(volatile const unsigned char*)0xE000ED28)  /* Memory-management Fault Status Register */