fix_rtc_poweralarm

Change-Id: I4f075882eb334c65990be5e50ef2362ce920946f
diff --git a/mbtk/liblynq_lib/src/lynq_alarm.c b/mbtk/liblynq_lib/src/lynq_alarm.c
index 461a045..b28a33c 100755
--- a/mbtk/liblynq_lib/src/lynq_alarm.c
+++ b/mbtk/liblynq_lib/src/lynq_alarm.c
@@ -57,6 +57,8 @@
     char buf[50] ={0};
     sprintf(buf, "rtcwake -d rtc0 -s %d -m on &", time_sec);
     system(buf);
+    usleep(80000);
+    system("poweroff");
 
     return 0;
 }