make kokoro use vivado license for all Kintex7 builds, not only for k70t

Signed-off-by: Hans Baier <hansfbaier@gmail.com>

.github/kokoro/steps/xilinx.sh

@@ -27,8 +27,8 @@ echo "----------------------------------------"
 (
 	set -e
 	cd /opt
-	if [ x"$XRAY_SETTINGS" = x"kintex7" ]; then
-		echo "Using Xilinx Vivado Design Edition for $XRAY_SETTINGS build."
+	if [ x"$XRAY_DATABASE" = x"kintex7" ]; then
+		echo "Using Xilinx Vivado Design Edition for $XRAY_DATABASE build."
 		echo
 		echo "Making /opt mount rw"
 		sudo mount -o remount,rw /opt
@@ -42,7 +42,7 @@ echo "----------------------------------------"
 		sudo mount -o remount,ro /opt
 		echo
 	else
-		echo "Using Xilinx Vivado WebPack Edition for $XRAY_SETTINGS build."
+		echo "Using Xilinx Vivado WebPack Edition for $XRAY_DATABASE build."
 		ls -l Xilinx
 	fi
 )