Replace IRC with Discord

Discord has more users. IRC traffic has ground to a halt.

Signed-off-by: Bruce Mitchell <bruce.mitchell@linux.vnet.ibm.com>
Change-Id: Ifa5c04ae211a93ebac2b3a887656965db1e00942
diff --git a/meta-ibm/README.md b/meta-ibm/README.md
index 6d54c55..1c736a7 100644
--- a/meta-ibm/README.md
+++ b/meta-ibm/README.md
@@ -71,5 +71,5 @@
    message](https://chris.beams.io/posts/git-commit/#seven-rules)
 
 For questions or help please come join us on the [mailing
-list](https://lists.ozlabs.org/listinfo/openbmc) or in
-[IRC](irc://freenode.net/openbmc).
+list](https://lists.ozlabs.org/listinfo/openbmc) or on
+[Discord](https://discord.gg/69Km47zH98).