Update OEM Display for easier navigation.

Change-Id: Ib4e0e87ffc79ea2e6f48ca1785a92989091e4955
diff --git a/_oem/oneplus.markdown b/_oem/oneplus.markdown
new file mode 100644
index 0000000..64fa38f
--- /dev/null
+++ b/_oem/oneplus.markdown
@@ -0,0 +1,4 @@
+---
+layout: device
+oem: OnePlus
+---