Merge pull request #81715 from brendan-daly-red-hat/OSDOCS-11897

OSDOCS-11897#adding support to AWS IAM instance profiles

Author: bergerhoffer

modules/installation-configuration-parameters.adoc

@@ -807,12 +807,19 @@ Optional AWS configuration parameters are described in the following table:
 |The AWS AMI used to boot compute machines for the cluster. This is required for regions that require a custom {op-system} AMI.
 |Any published or custom {op-system} AMI that belongs to the set AWS region. See _{op-system} AMIs for AWS infrastructure_ for available AMI IDs.
 
+|compute:
+  platform:
+    aws:
+      iamProfile:
+|The name of the IAM instance profile that you use for the machine. If you want the installation program to create the IAM instance profile for you, do not use the `iamProfile` parameter. You can specify either the `iamProfile` or `iamRole` parameter, but you cannot specify both.
+|String
+
 |compute:
   platform:
     aws:
       iamRole:
-|A pre-existing AWS IAM role applied to the compute machine pool instance profiles. You can use these fields to match naming schemes and include predefined permissions boundaries for your IAM roles. If undefined, the installation program creates a new IAM role.
-|The name of a valid AWS IAM role.
+|The name of the IAM instance role that you use for the machine. When you specify an IAM role, the installation program creates an instance profile. If you want the installation program to create the IAM instance role for you, do not select the `iamRole` parameter. You can specify either the `iamRole` or `iamProfile` parameter, but you cannot specify both.
+|String
 
 |compute:
   platform:
@@ -887,12 +894,19 @@ endif::openshift-origin[]
 |The AWS AMI used to boot control plane machines for the cluster. This is required for regions that require a custom {op-system} AMI.
 |Any published or custom {op-system} AMI that belongs to the set AWS region. See _{op-system} AMIs for AWS infrastructure_ for available AMI IDs.
 
+|controlPlane:
+  platform:
+    aws:
+      iamProfile:
+|The name of the IAM instance profile that you use for the machine. If you want the installation program to create the IAM instance profile for you, do not use the `iamProfile` parameter. You can specify either the `iamProfile` or `iamRole` parameter, but you cannot specify both.
+|String
+
 |controlPlane:
   platform:
     aws:
       iamRole:
-|A pre-existing AWS IAM role applied to the control plane machine pool instance profiles. You can use these fields to match naming schemes and include predefined permissions boundaries for your IAM roles. If undefined, the installation program creates a new IAM role.
-|The name of a valid AWS IAM role.
+|The name of the IAM instance role that you use for the machine. When you specify an IAM role, the installation program creates an instance profile. If you want the installation program to create the IAM instance role for you, do not use the `iamRole` parameter. You can specify either the `iamRole` or `iamProfile` parameter, but you cannot specify both.
+|String
 
 |controlPlane:
   platform: