gcbv-user: update version to 2.1.2
gcbv-user: update version to 2.1.2

Change-Id: I5f24d91acff351691cf12d18635d3a4f79674fe7
Signed-off-by: Craig Stout <ed45f6f71b92aa13e468e9a189ebf82a3270af6a@ti.com>

omapzoom/platform-external-bltsville,omapzoom/platform-external-bltsville,omapzoom/platform-external-bltsville,omapzoom/platform-external-bltsville