init: call restorecon on /sys

Not all files on /sys are not getting labeled properly. Fix them.

Change-Id: I9dcff76354e7f50d41f1b6e702836cfbbc149278
diff --git a/init/init.c b/init/init.c
index 294c2c4..b699be0 100644
--- a/init/init.c
+++ b/init/init.c
@@ -945,6 +945,7 @@
     restorecon("/dev");
     restorecon("/dev/socket");
     restorecon("/dev/__properties__");
+    restorecon_recursive("/sys");
 
     is_charger = !strcmp(bootmode, "charger");