Fix MISRA C 2012 Rule 9.3 violation in SMP configuration

Change partial array initialization from { pdFALSE } to { 0 } for
xYieldPendings array, matching the same fix pattern used in PR #973
for mpu_wrappers_v2.c.

pdFALSE is defined as ((BaseType_t)0), so behavior is unchanged.

Fixes #1491

Author: Chinmaya Sameeru

tasks.c

@@ -507,7 +507,7 @@ PRIVILEGED_DATA STATIC volatile TickType_t xTickCount = ( TickType_t ) configINI
 PRIVILEGED_DATA STATIC volatile UBaseType_t uxTopReadyPriority = tskIDLE_PRIORITY;
 PRIVILEGED_DATA STATIC volatile BaseType_t xSchedulerRunning = pdFALSE;
 PRIVILEGED_DATA STATIC volatile TickType_t xPendedTicks = ( TickType_t ) 0U;
-PRIVILEGED_DATA STATIC volatile BaseType_t xYieldPendings[ configNUMBER_OF_CORES ] = { pdFALSE };
+PRIVILEGED_DATA STATIC volatile BaseType_t xYieldPendings[ configNUMBER_OF_CORES ] = { 0 };
 PRIVILEGED_DATA STATIC volatile BaseType_t xNumOfOverflows = ( BaseType_t ) 0;
 PRIVILEGED_DATA STATIC UBaseType_t uxTaskNumber = ( UBaseType_t ) 0U;
 PRIVILEGED_DATA STATIC volatile TickType_t xNextTaskUnblockTime = ( TickType_t ) 0U; /* Initialised to portMAX_DELAY before the scheduler starts. */