[ci] Increase timeout for OTBN smoke test

We did run into this timeout already at package installation (due to
other bugs which caused package installation to take longer, but to
succeed still). Increase the test timeout to make it more resilient to
such things.

Signed-off-by: Philipp Wagner <phw@lowrisc.org>
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 9781b56..c1ce1f2 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -394,7 +394,7 @@
   condition: and(succeeded(), eq(dependencies.lint.outputs['DetermineBuildType.hasOTBNChanges'], '1'))
   pool:
     vmImage: ubuntu-18.04
-  timeoutInMinutes: 5
+  timeoutInMinutes: 10
   steps:
   - template: ci/install-package-dependencies.yml
   - bash: |