Use ECLAIR PRODUCT ID in returnLicense

Change-Id: Ic87bead7ab9e9f1ff0d73e3d26b886f85b484433
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
diff --git a/bin/returnLicense b/bin/returnLicense
index 36a662c..72d7576 100755
--- a/bin/returnLicense
+++ b/bin/returnLicense
@@ -7,4 +7,4 @@
 
 [ $# -eq 0 ] || usage
 
-"${ECLAIR_TOP_DIR}/bin/eclair_licman" -c 38199
+"${ECLAIR_TOP_DIR}/bin/eclair_licman" -c ${ECLAIR_PRODUCT_ID}