zenfone6: Enable Smart Key for Google Assistant

Change-Id: I485eb8db3e1a148afea2f939c88d81c22eb11f42
diff --git a/prebuilt/system/etc/init/init.qcom.rc b/prebuilt/system/etc/init/init.qcom.rc
index 547e663..a99b823 100644
--- a/prebuilt/system/etc/init/init.qcom.rc
+++ b/prebuilt/system/etc/init/init.qcom.rc
@@ -20,3 +20,7 @@
     # Screen Touch
     chown system system /sys/devices/platform/soc/c80000.i2c/i2c-4/4-0038/fts_glove_mode
     chmod 0660 /sys/devices/platform/soc/c80000.i2c/i2c-4/4-0038/fts_glove_mode
+
+    # Smart Key
+    chown system system /sys/devices/platform/soc/soc:asustek_googlekey/googlekey_enable
+    chmod 0660 /sys/devices/platform/soc/soc:asustek_googlekey/googlekey_enable