rdfremont: update release tag for RD-Fremont single chip platforms

A newer version of the platform software is being released for
RD-Fremont and RD-Fremont Cfg1 platforms. Update the corresponding
pinned manifests for these platforms with the new release tag.

Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>
Change-Id: Id027338cf05d10e0dd23b3d108ed0edd0a7e2f08