add eu-north-1 region

Author: mletalie

modules/rosa-sdpolicy-am-regions-az.adoc

@@ -54,6 +54,7 @@ endif::rosa-with-hcp[]
 * ap-northeast-1 (Tokyo)
 * ca-central-1 (Central Canada)
 * eu-central-1 (Frankfurt)
+* eu-north-1 (Stockholm)
 * eu-west-1 (Ireland)
 * eu-west-2 (London)
 * eu-south-1 (Milan, AWS opt-in required)