THRIFT-3918 Run subset of make cross

This closes #1079
diff --git a/build/docker/scripts/cross-test.sh b/build/docker/scripts/cross-test.sh
index 4da7813..43581a5 100755
--- a/build/docker/scripts/cross-test.sh
+++ b/build/docker/scripts/cross-test.sh
@@ -6,7 +6,7 @@
 make -j3 precross
 
 set +e
-make cross
+make cross$1
 
 RET=$?
 if [ $RET -ne 0 ]; then