Remove kas from `make python-prereqs` and update TRS documentation (!121) · Merge requests · linaro / Trusted Reference Stack / trs

After moving to repo tool, kas is no longer required to build TRS images. But, kas is still used to build only meta-ts.

Document make python-prereqs is not required to build TRS images.

Edited Jul 19, 2023 by Javier Tia

Remove kas from `make python-prereqs` and update TRS documentation