add byoh to provider docs

Author: shamsher31

docs/book/src/clusterctl/provider-contract.md

@@ -185,6 +185,7 @@ providers.
 |CACPK         | cluster.x-k8s.io/provider=control-plane-kubeadm        |
 |CACPN         | cluster.x-k8s.io/provider=control-plane-nested        |
 |CAPA          | cluster.x-k8s.io/provider=infrastructure-aws           |
+|CAPB          | cluster.x-k8s.io/provider=infrastructure-byoh          |
 |CAPV          | cluster.x-k8s.io/provider=infrastructure-vsphere       |
 |CAPD          | cluster.x-k8s.io/provider=infrastructure-docker        |
 |CAPM3         | cluster.x-k8s.io/provider=infrastructure-metal3        |

docs/book/src/reference/providers.md

@@ -16,6 +16,7 @@ updated info about which API version they are supporting.
 - [Azure](https://github.com/kubernetes-sigs/cluster-api-provider-azure)
 - [Azure Stack HCI](https://github.com/microsoft/cluster-api-provider-azurestackhci)
 - [Baidu Cloud](https://github.com/baidu/cluster-api-provider-baiducloud)
+- [BYOH](https://github.com/vmware-tanzu/cluster-api-provider-bringyourownhost)
 - [Metal3](https://github.com/metal3-io/cluster-api-provider-metal3)
 - [DigitalOcean](https://github.com/kubernetes-sigs/cluster-api-provider-digitalocean)
 - [Exoscale](https://github.com/exoscale/cluster-api-provider-exoscale)