lib: arm_ffa: Support FF-A version 1.1 am: d62341e257

Original change: https://android-review.googlesource.com/c/trusty/lk/trusty/+/3381455

Change-Id: I0e7ccab51c7f78035b7091348003979deb5b0c43
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>