fix: 修复审查发现的4个高危问题

1. UartDebug: RS485通道1关闭指令误操作通道2,修正'u'升降级通道混淆
2. bsp: GPIOInit新增PA3(ADC电源控制引脚)初始化为输出
3. main.h: Nonce从int16_t改为uint16_t,消除rand()溢出导致LPTimer0延时异常
4. SGCP: SUB_STATUS_BROADCAST_SYNC_TIME调用ToSDSetColTime改为ToSDSyncTime

Module/LaserTracing_Debug/UartDebug.c

@@ -436,7 +436,7 @@ void DebugCmdRS485Ctrl(int argc, char *argv[])
 			}
 			else if(strstr(argv[3], "off") != NULL){
 				if(idx == 1)
-					App.Para.Rs485Ch2.Enable = false;
+					App.Para.Rs485Ch1.Enable = false;
 				else if(idx == 2)
 					App.Para.Rs485Ch2.Enable = false;
 				DBG_LOG("RS485Ch%d Disable!\r\n", idx);
@@ -519,11 +519,11 @@ void DebugCmdRS485Ctrl(int argc, char *argv[])
 						DBG_LOG("At least keep one upgraded serial port!\r\n");
 						return;
 					}
-					App.Para.Rs485Ch2.UpgradeEnable = false;
+					App.Para.Rs485Ch1.UpgradeEnable = false;
 					DBG_LOG("RS485Ch%d Upgrade Off!\r\n", idx);
 				}
 				else if(idx == 2) {
-					if(App.Para.Rs485Ch2.UpgradeEnable == false)
+					if(App.Para.Rs485Ch1.UpgradeEnable == false)
 					{
 						DBG_LOG("At least keep one upgraded serial port!\r\n");
 						return;