Test "make sure to context-switch to idle thread when therad's status is PS_EXITED" on arm64

Change-Id: I757d529e49655e9010022f10414e4d6c9eb4c059
Refs: #1029

test/mng_mod/issues/1029/arm64/result.log

@@ -0,0 +1,46 @@
+gcc -o sched_test sched_test.c
+gcc -o go_test go_test.c
+./run.sh
+mcstop+release.sh ... done
+mcreboot.sh -c 4-15 -m 4G@0,4G@1,4G@2,4G@3 -O ... done
+SUCCESS kmsg
+SUCCESS clear_kmsg
+timeout -s 9 60  /opt/ppos//bin/mcexec  /opt/stress_test/src/killit -np 16 -nosignal /opt/stress_test/src/signalonfutex 1> /tmp/dtest.log 2>&1
+SUCCESS mcexec
+SUCCESS mcexec /opt/stress_test/src/killit -np 16 -nosignal /opt/stress_test/src/signalonfutex
+SUCCESS kmsg
+mck-mcexec.sh: WARNING: kmsg isn't empty
+=== kmsg begins ====
+[  0]: [OK] CT_002 0 => 2514
+[  1]: [OK] CT_007 2529 => 1
+[  7]: [OK] CT_010 2603 => 7
+[  1]: [OK] CT_003 1 => 2529
+[  0]: [OK] CT_008 2514 => 2758
+[  1]: [OK] CT_009 2785 => 2700
+[  1]: [OK] CT_012 2831 => 1
+[  0]: fileobj_free(ffff800042231040 ffff8003c42cdb00): free failed. -32
+[  0]: fileobj_free(ffff8000422d0020 ffff8003c42cda80): free failed. -32
+
+=== kmsg ends ====
+SUCCESS ioctl 40000000 1
+SUCCESS kmsg
+SUCCESS 0 processes found
+SUCCESS ioctl 40000000 2
+SUCCESS kmsg
+SUCCESS 0 threads found
+SUCCESS mcexec not found
+ISSUE01: OK
+mcstop+release.sh ... done
+mcreboot.sh -c 4-15 -m 4G@0,4G@1,4G@2,4G@3 -O ... done
+ [OK] CT_001 not_switch
+ [OK] CT_002 0 => 3216
+ [OK] CT_003 1 => 3231
+ [OK] CT_004 3245 => 2
+ [OK] CT_005 3530 => 1
+ [OK] CT_006 3361 => 1
+ [OK] CT_007 3216 => 0
+ [OK] CT_008 3231 => 3331
+ [OK] CT_009 3231 => 3245
+ [OK] CT_010 3440 => 1
+ [OK] CT_011 3362 => 1
+ [OK] CT_012 3361 => 1