Draft: Add ptest support for corstone1000-fvp

The ptest is split for nightly/weekly and Merge request runs: The intention is to only run short-duration tests for each merge request raised and longer tests for nightly/weekly

• Merge request run includes: user-accounts-integration-tests and k3s-integration-tests
• nightly/weekly run includes: parsec-simple-e2e-tests, psa-arch-tests, optee-xtests and all tests from Merge request run

Signed-off-by: Vikas Katariya vikas.katariya@arm.com