Added libssl-dev package while building openpower build.

Change-Id: I79a5276a777b3a89e435fe46a2e53d63767f714b
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/openpower-build-setup.sh b/openpower-build-setup.sh
index bc43919..6062389 100755
--- a/openpower-build-setup.sh
+++ b/openpower-build-setup.sh
@@ -118,7 +118,8 @@
 	unzip \
 	vim-common \
 	wget\
-	xsltproc
+	xsltproc \
+        libssl-dev
 
 RUN grep -q ${GROUPS} /etc/group || groupadd -g ${GROUPS} ${USER}
 RUN grep -q ${UID} /etc/passwd || useradd -d ${HOME} -m -u ${UID} -g ${GROUPS} ${USER}