Release notes for Core 14.12 TC release

Change-Id: Ifa19e76975dfaf8405eb7b760cb857cfa5929328
Signed-off-by: Marcello Lioy <mlioy@qce.qualcomm.com>
Merge "Release notes for Core 14.12 TC release" into RB14.12
Merge remote-tracking branch 'origin/RB14.12'

Change-Id: Ifbf51c28587bc02f75a9bf05357bb01ca991555e
Signed-off-by: Ry Jones <c_lawren@qce.qualcomm.com>