Disable all jobs.

All MbedTLS jobs have been enabled on the new MbedTLS Jenkins [1]

[1]: https://mbedtls.trustedfirmware.org/

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I4be835976804dd6da6017dd8fb28859e4be12a21
diff --git a/mbedtls-dockerfile-builder.yaml b/mbedtls-dockerfile-builder.yaml
index c9a38ea..bc69a9b 100644
--- a/mbedtls-dockerfile-builder.yaml
+++ b/mbedtls-dockerfile-builder.yaml
@@ -1,7 +1,7 @@
 - job:
     concurrent: true
     description: Dockerfile building job.
-    disabled: false
+    disabled: true
     dsl: |-
       timestamps {
           stage('build-dockerfiles') {