Disable fingerprint "button" on Mi 8

Change-Id: Iecca0ddf0a364bbce74051ff84e2a7b67848b07f
diff --git a/rw-system.sh b/rw-system.sh
index 33b593f..fcefda4 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -54,7 +54,7 @@
         chmod 0644 /mnt/phh/keylayout/gpio_keys.kl /mnt/phh/keylayout/sec_touchscreen.kl
     fi
 
-    if getprop ro.vendor.build.fingerprint |grep -iq -e xiaomi/polaris -e xiaomi/sirius;then
+    if getprop ro.vendor.build.fingerprint |grep -iq -e xiaomi/polaris -e xiaomi/sirius -e xiaomi/dipper;then
         cp /system/phh/empty /mnt/phh/keylayout/uinput-goodix.kl
         chmod 0644 /mnt/phh/keylayout/uinput-goodix.kl
         changed=true