libdrm: Add OWNERS file

This CL is populating OWNERS file based on the candidates in the Chrome OS OWNERS status sheet.

BUG=b:132095048
TEST=None

Change-Id: I0e46816d38e2e53774ef3407e671feee19134c9b
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..74775ff
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,6 @@
+marcheu@chromium.org
+chadversary@chromium.org
+djkurtz@chromium.org
+enh@google.com
+gurchetansingh@chromium.org
+hoegsberg@chromium.org