Use version 2.2.1 of parent pom

Use version 2.2.1 of parent pom to pick up change to ccsdk.sli.version

Issue-ID: CCSDK-3444
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: I5f70d3f414b001ab3da405665c7bcd19bb2529ae
2 files changed