twrpme: add gitactivity changelog tag to device markdowns

Change-Id: I437a42c1b2ccd79b3f85ad0962c362680c28d171
diff --git a/_devices/sonyxperiaz3compact.markdown b/_devices/sonyxperiaz3compact.markdown
index b0e452c..e2ed772 100644
--- a/_devices/sonyxperiaz3compact.markdown
+++ b/_devices/sonyxperiaz3compact.markdown
@@ -5,6 +5,7 @@
 downloadfolder: z3c
 supportstatus: Current
 maintainer: someone755
+devicetree: https://github.com/TeamWin/android_device_sony_z3c.git
 oem: Sony
 ddof: /dev/block/platform/msm_sdcc.1/by-name/FOTAKernel
 ---