Fixed several Mellanox Open MPI CI issues.

The following issues have been fixed:
- Corrected the link to CI status badge in README after some renaming.
- Updated agent capabilities.
- Switched to jenkins_scripts from master branch.
- Corrected support e-mail.

Signed-off-by: Artem Ryabov <artemry@mellanox.com>

.ci/README.md

@@ -1,6 +1,6 @@
 # Open MPI Continuous Integration (CI) Services
 ## Mellanox Open MPI CI
-[![Build Status](https://dev.azure.com/mlnx-swx/mellanox-ompi-ci-project/_apis/build/status/mellanox-ompi-ci-pipeline?branchName=master)](https://dev.azure.com/mlnx-swx/mellanox-ompi-ci-project/_build/latest?definitionId=6&branchName=master)
+[![Build Status](https://dev.azure.com/mlnx-swx/mellanox-ompi/_apis/build/status/Mellanox%20CI?branchName=master)](https://dev.azure.com/mlnx-swx/mellanox-ompi/_build/latest?definitionId=9&branchName=master)
 ### Scope
 [Mellanox](https://www.mellanox.com/) Open MPI CI is intended to verify Open MPI with recent Mellanox SW components ([Mellanox OFED](https://www.mellanox.com/page/products_dyn?product_family=26), [UCX](https://www.mellanox.com/page/products_dyn?product_family=281&mtag=ucx) and other [HPC-X](https://www.mellanox.com/page/products_dyn?product_family=189&mtag=hpc-x) components) in the Mellanox lab environment.
 
@@ -15,4 +15,4 @@ Mellanox Open MPI CI is triggered upon the following events:
 * Create a pull request (PR). CI status is visible in the PR status. CI is restarted automatically upon each new commit within the PR. CI status and log files are also available on the Azure DevOps server.
 * Trigger CI with special PR comments (for example, `/azp run`). Comment triggers are available only if the comment author has write permission to the PR target repo. Detailed information about comment triggers is available in the official Azure DevOps [documentation](https://docs.microsoft.com/en-us/azure/devops/pipelines/repos/github?view=azure-devops&tabs=yaml#comment-triggers).
 ### Support
-In case of any issues, questions or suggestions please contact to [Mellanox Open MPI CI support team](mailto:artemry@mellanox.com;andreyma@mellanox.com).
+In case of any issues, questions or suggestions please contact to [Mellanox Open MPI CI support team](mailto:swx-azure-svc@mellanox.com).

.ci/mellanox/azure-pipelines.yml

@@ -9,14 +9,13 @@ pr:
 
 pool:
   name: Default
-  demands: AGENT_CI_CAPABILITY -equals ompi
+  demands:
+  - AGENT_CI_TARGET -equals ompi
+  - MLNX_IB_DEVICE -equals yes
 
 variables:
-  # TODO: change to the main repo and master branch
-  #ompi_jenkins_scripts_git_repo_url: https://github.com/mellanox-hpc/jenkins_scripts.git
-  ompi_jenkins_scripts_git_repo_url: https://github.com/itemko/jenkins_scripts.git
-  #ompi_jenkins_scripts_git_branch: master
-  ompi_jenkins_scripts_git_branch: artemry/ompi_review
+  ompi_jenkins_scripts_git_repo_url: https://github.com/mellanox-hpc/jenkins_scripts.git
+  ompi_jenkins_scripts_git_branch: master
   # Enable debug information, supported values: true, false
   debug: true