Update S3 buckets and ECR for migration

- Use S3 bucket in Arm infrastrcture
- As there are multiple environments such as (DEV, TEST, PROD)
suffix bucket with INRA_ENV name.
- Use system variable for ECR repository

Change-Id: Id75bb5a49305a7abc059741f8bcb4e60595fbf1a
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
diff --git a/ci-dockerfiles-deployment/builders.sh b/ci-dockerfiles-deployment/builders.sh
index 6030115..3977465 100644
--- a/ci-dockerfiles-deployment/builders.sh
+++ b/ci-dockerfiles-deployment/builders.sh
@@ -42,7 +42,7 @@
 cd dockerfiles/
 
 aws configure list
-aws s3 cp --recursive s3://trustedfirmware-private/armclang/ .
+aws s3 cp --recursive s3://openci-trustedfirmware-private-${INFRA_ENV}/armclang/ .
 find .
 
 df -h