Fix port_task_timer_init implicit declaration

Author: iqyx

ports/nwdaq-if-rs44/freertos-port.h

@@ -4,6 +4,8 @@
 
 
 extern uint32_t SystemCoreClock;
+void port_task_timer_init(void);
+uint32_t port_task_timer_get_value(void);
 #define configCPU_CLOCK_HZ (SystemCoreClock)
 #define configTICK_RATE_HZ ((TickType_t)CONFIG_FREERTOS_TICK_RATE_HZ)
 #define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS port_task_timer_init