schemas: SPDM TCP responder schema

This schema will be utilized to add remote SPDM TCP Responder to
the user system.

The SPDM-over-TCP design details are found at [1].

Tested:
- Confirmed a system utilizing new schema worked as expected

[1]: https://github.com/openbmc/docs/blob/master/designs/redfish-spdm-attestation.md

Change-Id: I42f0c70040660f5f391765aa4f21c62a83a363be
Signed-off-by: Archana Kakani <archana.kakani@ibm.com>
diff --git a/schemas/meson.build b/schemas/meson.build
index 1dc345e..c6941fb 100644
--- a/schemas/meson.build
+++ b/schemas/meson.build
@@ -17,6 +17,7 @@
     'pid.json',
     'pid_zone.json',
     'satellite_controller.json',
+    'spdm_endpoint.json',
     'stepwise.json',
     'topology.json',
     'usb_port.json',