expand the list a bit more

Signed-off-by: Chase Bolt <chase.bolt@gmail.com>

hack/make/.build-rpm/docker-engine.spec

@@ -43,7 +43,7 @@ Requires: iptables
 Requires: libcgroup
 Requires: tar
 Requires: xz
-%if 0%{?fedora} >= 21 || 0%{?centos} >= 7
+%if 0%{?fedora} >= 21 || 0%{?centos} >= 7 || 0%{?rhel} >= 7 || 0%{?oraclelinux} >= 7
 # Resolves: rhbz#1165615
 Requires: device-mapper-libs >= 1.02.90-1
 %endif