Install openssl to test certificate in automation.

Resolves openbmc/openbmc-build-scripts#14

Change-Id: Ic3ac009c0b492b60808fa7c24867dd13d4560544
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/scripts/build-qemu-robot-docker.sh b/scripts/build-qemu-robot-docker.sh
index 63d0b56..9e76192 100755
--- a/scripts/build-qemu-robot-docker.sh
+++ b/scripts/build-qemu-robot-docker.sh
@@ -60,7 +60,8 @@
     sshpass \
     libasound2 \
     libfdt1 \
-    libpcre3
+    libpcre3 \
+    openssl
 
 RUN easy_install \
     tox \