Another missing file.

Change-Id: I2d026f0452292b3c3a78e2916cf10b510d525281
diff --git a/_oem/unihertz.markdown b/_oem/unihertz.markdown
new file mode 100644
index 0000000..3bffb72
--- /dev/null
+++ b/_oem/unihertz.markdown
@@ -0,0 +1,4 @@
+---
+layout: device
+oem: Unihertz
+---