Update ECLAIR for running in K8

- Version bundled in eclair 3.13 doesn't work with K8.
- Remove WORKSPACE environment from Dockerfiles
- Use buildslave user to run eclair

Change-Id: I8af64b72710d9fb644888b96d1fb16cd208ef66f
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
diff --git a/bin/postStart b/bin/postStart
index 6ed136a..8be544d 100755
--- a/bin/postStart
+++ b/bin/postStart
@@ -3,9 +3,9 @@
 set -ex
 sudo useradd "${ECLAIR_LICENSE_USER}" -u 2000 || :
 sudo mkdir -p /var/hasplm/update
-sudo chown eclair -R /var/hasplm
+sudo chown buildslave -R /var/hasplm
 sudo mkdir -p /etc/hasplm
-sudo chown -R eclair /etc/hasplm
+sudo chown -R buildslave /etc/hasplm
 echo "serveraddr = ${ECLAIR_LICENSE_SERVER}" > /etc/hasplm/hasplm.ini
 cp -f "${ECLAIR_TOP_DIR}"/reqs/Sentinel_LDK_RTE/haspvlib*_113938.* /var/hasplm/update
-/usr/sbin/hasplmd_x86_64 -s
+sudo /usr/sbin/hasplmd -s