Install kernel-modules package on fedora

Since f21 the kernel modules are split to multiple packages
and by default just the core modules gets installed.

nova requires iscsi_tcp module for attaching a volume
from any iscsi source (default cinder lvm setup).

On el7 it is not required.

Change-Id: I31705720ade5defd1b6d4b95bc51c2a11a5f0364
Related-Bug: #1429504
diff --git a/files/rpms/nova b/files/rpms/nova
index e70f138..00e7596 100644
--- a/files/rpms/nova
+++ b/files/rpms/nova
@@ -7,6 +7,7 @@
 genisoimage # required for config_drive
 iptables
 iputils
+kernel-modules # dist:f21,f22,f23
 kpartx
 kvm # NOPRIME
 libvirt-bin # NOPRIME