Document URL:
https://docs.openshift.com/container-platform/4.5/installing/installing_aws/installing-aws-customizations.html#installation-configuration-parameters_installing-aws-customizations

Section Number and Name:
Installation configuration parameters - Table 3. Optional AWS parameters

Describe the issue:
For KMS:
missing compute.platform.aws.rootVolume.kmsKeyARN and controlPlane.platform.aws.rootVolume.kmsKeyARN config parameters
according to https://issues.redhat.com/browse/CORS-1388 and https://github.com/openshift/installer/pull/3293 ,
custom KMS key is supported by OCP 4.5, but the it is missing in the documents

For AMI:
missing compute.platform.aws.amiID and controlPlane.platform.aws.amiID config parameters
according to https://issues.redhat.com/browse/CORS-1401 and https://github.com/openshift/installer/pull/3308 ,
custom AMI for machine pool is supported by OCP 4.5, but it is missing in the documents

Suggestions for improvement:
Add KMS and AMI parameter description in `Table 3. Optional AWS parameters`

Additional information: