Changed to Discord from IRC on Feel free to ping on line

Still said Feel free to ping on IRC about patches that look
good but have not received +2

Changed to Feel free to ping on Discord about patches that look
good but have not received +2

Signed-off-by: Bruce Mitchell <bruce.mitchell@linux.vnet.ibm.com>
Change-Id: I78aefc707416ad4f3690126e393e39fae8de1bea
diff --git a/MAINTAINERS b/MAINTAINERS
index 27716ed..4ed919d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -50,8 +50,8 @@
     - Patches must not have an unresolved -1 vote by any maintainer.
     - Patches should have all maintainers added for visibility.
     - Patches should include unit tests where possible.
-    - Feel free to ping on IRC about patches that look good but have not
-      received +2
+    - Feel free to ping on Discord about patches that look good but have
+      not received +2
 
 Design approval rules: