The layer check on meta-cassini CI/CD requires maintainer
information to be present.

Signed-off-by: Ali Can Ozaslan <ali.oezaslan@arm.com>

Add `Neoverse N1 System Development Platform` to list of supported
platforms.

Signed-off-by: Adam Johnston <adam.johnston@arm.com>

Add `Corstone-1000 FVP` and `Corstone-1000 for MPS3 to list of supported
platforms.

Signed-off-by: Adam Johnston <adam.johnston@arm.com>

Before slicing this repository from meta-cassini, the LICENSE and README
were provided by the parent folder (the root of meta-cassini)

Create new LICENSE and README for this repository

Signed-off-by: Adam Johnston <adam.johnston@arm.com>