Update set of target distros

Change-Id: I9f06dd721eab3c07178d8f8fbde82441fffa6d41
diff --git a/packaging.mk b/packaging.mk
index c4fb1af..9bde453 100644
--- a/packaging.mk
+++ b/packaging.mk
@@ -2,7 +2,7 @@
 PPA=ppa:named-data/ppa-dev
 
 # List of target distributions
-DISTROS=xenial bionic eoan
+DISTROS=xenial bionic focal
 
 DEBUILD=debuild -S -d