Update release-information for v2.2 Release
Update release-information for v2.2 Release

Removed deprecated interfaces that have been removed from the TF-A
project, updated the deprecated list with new deprecations for v2.2
Release, added upcoming release information, remove mentions of PR from
github.

Signed-off-by: Lauren Wehrmeister <c2872bb20a24754ba136deb455abb6add7d102f7@arm.com>
Signed-off-by: Paul Beesley <8414e4843aab463885be16eab9f09388385653d9@arm.com>
Change-Id: I2b59d351cde9860ad0dcb6520a8bd2827ad403cf

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware