docs(rm): Update main README (!150) · Merge requests · TOSA / TOSA Tools · GitLab

Ian Tayler Lessa requested to merge docs/rm/update-readme-for-2025.11 into main Nov 04, 2025

Remove some outdated references to submodules and instructions that were no longer relevant.
Adjust versions mentioned for dependencies.
Add build instructions for Windows.

Signed-off-by: Ian Tayler Lessa ian.taylerlessa@arm.com