doc,ewaol-config,ewaol-distro: Updates for v0.2.1 minor release

Issue-Id: SCM-3910
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
Change-Id: I40ce00f2f9cc72cbb9c9515344a733d2af833bda
2 jobs for v0.2.1 in 24 seconds (queued for 3 seconds)
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