gnss: fix gnss return result error

Change-Id: Ie51004ee6eeeb4e2c7448c225639a29771bdd86b
diff --git a/mbtk/libmbtk_factory/mbtk_power.c b/mbtk/libmbtk_factory/mbtk_power.c
index 9f89b53..dbe9c8c 100755
--- a/mbtk/libmbtk_factory/mbtk_power.c
+++ b/mbtk/libmbtk_factory/mbtk_power.c
@@ -60,7 +60,7 @@
     //printf("get event = [%d].\n", event);
 
 #if defined(MBTK_PROJECT_T108)
-    if(event != 2)
+    if(event != 0)
 #else
     if(event != 7)
 #endif