Add missing doc fragments

cloud/amazon/ecs_cluster.py

@@ -45,6 +45,7 @@ options:
             - The number of times to wait for the cluster to have an instance
         required: false
 extends_documentation_fragment:
+    - aws
     - ec2
 '''
 

cloud/amazon/ecs_service.py

@@ -72,6 +72,9 @@ options:
           - The number of times to check that the service is available
         required: false
         default: 10
+extends_documentation_fragment:
+    - aws
+    - ec2
 '''
 
 EXAMPLES = '''

cloud/amazon/ecs_service_facts.py

@@ -40,6 +40,9 @@ options:
         description:
             - The service to get details for (required if details is true)
         required: false
+extends_documentation_fragment:
+    - aws
+    - ec2
 '''
 
 EXAMPLES = '''

cloud/amazon/ecs_task.py

@@ -57,6 +57,7 @@ options:
             - A value showing who or what started the task (for informational purposes)
         required: False
 extends_documentation_fragment:
+    - aws
     - ec2
 '''
 

cloud/amazon/ecs_taskdefinition.py

@@ -53,6 +53,7 @@ options:
         required: False
         type: list of name
 extends_documentation_fragment:
+    - aws
     - ec2
 '''