[TF-M] TF-M v1.1 release

Hello,

Today, TF-M project released version v1.1, tagged by TF-Mv1.1https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tag/?h=TF-Mv1.1. Please take a look into Change Loghttps://ci.trustedfirmware.org/view/TF-M/job/tf-m-nightly/lastStableBuild/artifact/docs/trusted-firmware-m/build/install/doc/user_guide/html/docs/reference/changelog.html for the new features and changes. The next and further releases are expected in every 4 months.

Thanks to everyone who directly and indirectly contributed to this milestone.

Anton Komlev TF-M Technical lead Arm Ltd.