Sync OWNERS from openbmc/docs

OWNERS file from openbmc/docs also has the openbmc section that captures
the openbmc specific meta-data about owners & reviewers, which is quite
helpful for community engagement, so added the openbmc section as well.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I5ede87c1b8c98a5004914f9780d88079a56e8029
diff --git a/OWNERS b/OWNERS
index e737c7f..0d434ab 100644
--- a/OWNERS
+++ b/OWNERS
@@ -39,3 +39,22 @@
 - bradleyb@fuzziesquirrel.com
 - edtanous@google.com
 - jason.m.bills@linux.intel.com
+
+matchers:
+
+openbmc:
+- name: Andrew Jeffery
+  email: andrew@aj.id.au
+  discord: arj
+- name: Brad Bishop
+  email: bradleyb@fuzziesquirrel.com
+  discord: radsquirrel
+- name: Ed Tanous
+  email: ed@tanous.net
+  discord: edtanous
+- name: Jason Bills
+  email: jason.m.bills@intel.com
+  discord: jmbills
+- name: Patrick Williams
+  email: patrick@stwcx.xyz
+  discord: stwcx