interface: arm_ffa: Bump FFA version to 1.2 am: 34e15d8011 Original change: https://android-review.googlesource.com/c/trusty/lib/+/3501096 Change-Id: I3be14dcc08335ca8feabc3e51cab2e36db2d5747 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>