Add device: Sony Xperia XZ1 DSDS

Change-Id: I036a0f93b571cb9eb8e1f6c869d960543e642620
diff --git a/_sony/sonyxperiaxz1dsds.markdown b/_sony/sonyxperiaxz1dsds.markdown
new file mode 100644
index 0000000..dd6db7a
--- /dev/null
+++ b/_sony/sonyxperiaxz1dsds.markdown
@@ -0,0 +1,20 @@
+---
+layout: device
+title:  "Sony Xperia XZ1 DSDS"
+codename: poplar_dsds
+downloadfolder: poplar_dsds
+supportstatus: Current
+maintainer: cryptomilk & derfelot
+devicetree: "https://github.com/TeamWin/android_device_sony_poplar_dsds.git"
+oem: Sony
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include fastbootinstall.html %}