tpm: 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: Ifc176a941401f2cbc5512007496711b9ff037217
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/tpm/+/1682819
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..6d1ac7b
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+apronin@chromium.org
+louiscollard@chromium.org