Improve Pivotal row in Production Setup table (#14648)

* Improve Pivotal row in Production Setup table.

- Provider column should contain company name
- Change check marks to product links to match other rows

Co-authored-by: Danny Berger <[email protected]>

* Spell out PKS abbreviation.

Co-authored-by: Danny Berger <[email protected]>

Author: 2 people

content/en/docs/setup/_index.md

@@ -97,7 +97,7 @@ The following production environment solutions table lists the providers and the
 | [OpenShift](https://www.openshift.com)          |[OpenShift Dedicated](https://www.openshift.com/products/dedicated/) and [OpenShift Online](https://www.openshift.com/products/online/)              |        | [OpenShift Container Platform](https://www.openshift.com/products/container-platform/)            |      |  [OpenShift Container Platform](https://www.openshift.com/products/container-platform/)        |[OpenShift Container Platform](https://www.openshift.com/products/container-platform/)
 | [Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE)](https://docs.cloud.oracle.com/iaas/Content/ContEng/Concepts/contengoverview.htm)          | ✔             |   ✔     |             |      |          |
 | [oVirt](https://www.ovirt.org/)         |              |        |             |     | ✔          |
-| [Pivotal Container Service](https://pivotal.io/platform/pivotal-container-service)         |              | ✔       | ✔           |      |          |
+| [Pivotal](https://pivotal.io/) | | [Enterprise Pivotal Container Service (PKS)](https://pivotal.io/platform/pivotal-container-service) | [Enterprise Pivotal Container Service (PKS)](https://pivotal.io/platform/pivotal-container-service)           |      |          |
 | [Platform9](https://platform9.com/)         | ✔             | ✔      | ✔            |      |   ✔       |✔
 | [Rancher](https://rancher.com/)         |              |   [Rancher 2.x](https://rancher.com/docs/rancher/v2.x/en/)     |             |  [Rancher Kubernetes Engine (RKE)](https://rancher.com/docs/rke/latest/en/)    |          | [k3s](https://k3s.io/)
 | [StackPoint](https://stackpoint.io/)          | ✔            |  ✔      |             |      |          |