freertos-smp: update FreeRTOS SMP kernel

This commit updates the FreeRTOS SMP kernel to commit id 2eff03708
from the upstream smp branch, which is the latest as on date.

components/freertos/FreeRTOS-Kernel-SMP/tasks.c

@@ -709,17 +709,13 @@ static void prvYieldCore( BaseType_t xCoreID )
         {
             xYieldPendings[ xCoreID ] = pdTRUE;
         }
-
-#ifdef ESP_PLATFORM
-// TODO: IDF-5256
         #if ( configNUM_CORES > 1 )
             else
             {
                 portYIELD_CORE( xCoreID );
                 pxCurrentTCBs[ xCoreID ]->xTaskRunState = taskTASK_YIELDING;
             }
-        #endif /* ( configNUM_CORES > 1 ) */
-#endif /* ESP_PLATFORM */
+        #endif
     }
 }