cryptfs_hw: Update listener status flag

Update listeners load status flag name as per new
requirement.

Change-Id: Ifcd402e3fb31e184356f8e4ca21f00093b58eafd
diff --git a/cryptfs_hw.c b/cryptfs_hw.c
index 139c0be..673e8f5 100644
--- a/cryptfs_hw.c
+++ b/cryptfs_hw.c
@@ -273,7 +273,7 @@
     char value[PROPERTY_VALUE_MAX] = {0};
 
     for (; i<CRYPTFS_HW_UP_CHECK_COUNT; i++) {
-        property_get("sys.keymaster.loaded", value, "");
+        property_get("vendor.sys.keymaster.loaded", value, "");
         if (!strncmp(value, "true", PROPERTY_VALUE_MAX))
             return 1;
         usleep(100000);