add a31ul to production builds.

Change-Id: Idff202ada818d0f42a9f31b7d8f21b277e0c5f9a
diff --git a/_devices/htca31ul.markdown b/_devices/htca31ul.markdown
new file mode 100644
index 0000000..b88192d
--- /dev/null
+++ b/_devices/htca31ul.markdown
@@ -0,0 +1,23 @@
+---

+layout: device

+title:  "HTC Desire 620" 

+codename: a31ul

+downloadfolder: a31ul

+supportstatus: current

+maintainer: PatrikKT

+oem: HTC

+devicetree: https://github.com/TeamWin/android_device_htc_a31url

+xdathread: ""

+---

+

+{% include disclaimer.html %}

+

+{% include supportstatus.html %}

+

+{% include appinstall.html %}

+

+{% include download.html %}

+

+{% include twrpinstall.html %}

+

+{% include fastbootinstall.html %}