qa/suites/rados/cephadm: add 20.04 target

Link directly to the distro version... no need to use _latest here since
it obscures the podman vs docker difference.

Signed-off-by: Sage Weil <sage@newdream.net>
(cherry picked from commit 170dd14af4f72bdac2a43742d11fa194c84819f5)

diff --git a/qa/suites/rados/cephadm/smoke/distro/ubuntu_20.04.yaml b/qa/suites/rados/cephadm/smoke/distro/ubuntu_20.04.yaml
new file mode 120000 (symlink)
index 0000000..1629648
--- /dev/null
+++ b/qa/suites/rados/cephadm/smoke/distro/ubuntu_20.04.yaml
@@ -0,0 +1 @@
+.qa/distros/all/ubuntu_20.04.yaml
\ No newline at end of file

diff --git a/qa/suites/rados/cephadm/smoke/distro/ubuntu_20.04_podman.yaml b/qa/suites/rados/cephadm/smoke/distro/ubuntu_20.04_podman.yaml
new file mode 120000 (symlink)
index 0000000..cd5c550
--- /dev/null
+++ b/qa/suites/rados/cephadm/smoke/distro/ubuntu_20.04_podman.yaml
@@ -0,0 +1 @@
+.qa/distros/all/ubuntu_20.04_podman.yaml
\ No newline at end of file

diff --git a/qa/suites/rados/cephadm/smoke/distro/ubuntu_latest.yaml b/qa/suites/rados/cephadm/smoke/distro/ubuntu_latest.yaml
deleted file mode 120000 (symlink)
index 3a09f9a..0000000
--- a/qa/suites/rados/cephadm/smoke/distro/ubuntu_latest.yaml
+++ /dev/null
@@ -1 +0,0 @@
-.qa/distros/supported/ubuntu_latest.yaml
\ No newline at end of file