website: update docs for GH-371

CHANGELOG.md

@@ -38,6 +38,8 @@ IMPROVEMENTS:
   * providers/aws: Add `ssl_certificate_id` for ELB listeners. [GH-350]
   * providers/aws: Add `self` option for security groups for ingress
       rules with self as source. [GH-303]
+  * providers/aws: Add `iam_instance_profile` option to
+      `aws_launch_configuration`. [GH-371]
   * providers/google: Support `target_tags` for firewalls. [GH-324]
   * providers/google: `google_compute_instance` supports `can_ip_forward` [GH-375]
   * providers/google: `google_compute_disk` supports `type` to support disks

website/source/docs/providers/aws/r/launch_config.html.markdown

@@ -25,6 +25,8 @@ The following arguments are supported:
 * `name` - (Required) The name of the launch configuration.
 * `image_id` - (Required) The EC2 image ID to launch.
 * `instance_type` - (Required) The size of instance to launch.
+* `iam_instance_profile` - (Optional) The IAM instance profile to associate
+     with launched instances.
 * `key_name` - (Optional) The key name that should be used for the instance.
 * `security_groups` - (Optional) A list of associated security group IDS.
 * `user_data` - (Optional) The user data to provide when launching the instance.