Fix arm64ci cloud names
This name was incorrectly added in
it's supposed to just be
arm64ci.
@@ -396,7 +396,7 @@ providers:
diskimage: ubuntu-bionic-arm64
key-name: infra-root-keys-2018-06-15
- - name: linaro-arm64ci
+ - name: arm64ci-nrt1
region-name: 'nrt1'
cloud: arm64ci
boot-timeout: 600
