1、add rv32m1_vega board for xiuos；2、repair the float number printf bug

it is OK

Ubiquitous/XiUOS/kernel/include/user_api.h

@@ -240,7 +240,7 @@ uint8_t UserGetTaskPriority(int32_t id);
 #endif
 
 #define UserPrintf               KPrintf
-#define printf                   KPrintf
+
 
 #endif
 

Ubiquitous/XiUOS/kernel/include/xs_ktask.h

@@ -214,6 +214,7 @@ x_err_t LinklistResume(DoubleLinklistType *list);
 x_err_t LinklistResumeAll(DoubleLinklistType *list);
 void HwSendIpi(int ipi_vector, unsigned int cpu_mask);
 void KTaskIdDelete(int32 id);
+struct TaskDescriptor *GetTaskWithIdnodeInfo(int32 id);
 
 #ifdef __cplusplus
  }

Ubiquitous/XiUOS/kernel/kernel_service/xs_service.c

@@ -34,7 +34,7 @@
 #ifdef TASK_ISOLATION
 #include <xs_isolation.h>
 #endif
-extern inline struct TaskDescriptor *GetTaskWithIdnodeInfo(int32 id);
+
 #ifdef SEPARATE_COMPILE
 extern long ShowTask(void);
 extern void ShowMemory(void);

Ubiquitous/XiUOS/kernel/memory/byte_manage.c

@@ -1222,8 +1222,9 @@ void ShowBuddy(void)
     	};
 	}
     
-    KPrintf("\n\033[41;1mlist extern memory information\033[0m\n");
+    
 #ifdef MEM_EXTERN_SRAM
+	KPrintf("\n\033[41;1mlist extern memory information\033[0m\n");
 	for(i = 0; i < EXTSRAM_MAX_NUM; i++) {
 		if(NONE != ExtByteManager[i].done){
 			KPrintf("\nlist extern sram[%d] memory information\n\n",i);

Ubiquitous/XiUOS/kernel/thread/tick.c

@@ -74,7 +74,9 @@ void TickAndTaskTimesliceUpdate(void)
     RoundRobinTaskTimesliceUpdate(task);
 #elif defined (SCHED_POLICY_RR_REMAINSLICE)
     task = GetKTaskDescriptor();
-    RoundRobinRemainTaskTimesliceUpdate(task);
+    if(task){
+        RoundRobinRemainTaskTimesliceUpdate(task);
+    }
 #endif
     CheckTaskDelay();
 #ifdef KERNEL_SOFTTIMER