Arthur: update job name

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: Ic4817b083dc897837a5eb40c588448ae7ccb6033
diff --git a/arthur-repo-scan-scheduler.yaml b/arthur-repo-scan-scheduler.yaml
index a195101..7e65d84 100644
--- a/arthur-repo-scan-scheduler.yaml
+++ b/arthur-repo-scan-scheduler.yaml
@@ -5,9 +5,9 @@
       There appears to be an issue with automatically scanning if there are more than one multibranch pipelines on the same repo.
     disabled: false
     dsl: |-
-      build job: "mbed-tls-pr-merge", wait: false, propagate: false
-      build job: "mbed-tls-pr-head", wait: false, propagate: false
-      build job: "mbed-tls-restricted-pr", wait: false, propagate: false
+      build job: "arthur-mbed-tls-pr-merge", wait: false, propagate: false
+      build job: "arthur-mbed-tls-pr-head", wait: false, propagate: false
+      build job: "arthur-mbed-tls-restricted-pr", wait: false, propagate: false
     name: arthur-repo-scan-scheduler.yaml
     project-type: pipeline
     sandbox: true