Add missing deps on driver modules in libvirt RPM

Turning on the building of driver modules in libvirt.spec.in
means that installing 'libvirt' no longer pulls in all the
drivers. For upgrade compatibility we need to list all drivers
module sub-RPMs against the 'libvirt' RPM.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

libvirt.spec.in

@@ -326,8 +326,18 @@ Requires: libvirt-daemon-config-network = %{version}-%{release}
 %if %{with_nwfilter}
 Requires: libvirt-daemon-config-nwfilter = %{version}-%{release}
 %endif
-# XXX when we turn on driver modules, we need to add
-# deps on each driver (Requires: libvirt-daemon-drv-qemu)
+Requires: libvirt-daemon-driver-libxl = %{version}-%{release}
+Requires: libvirt-daemon-driver-lxc = %{version}-%{release}
+Requires: libvirt-daemon-driver-qemu = %{version}-%{release}
+Requires: libvirt-daemon-driver-uml = %{version}-%{release}
+Requires: libvirt-daemon-driver-xen = %{version}-%{release}
+
+Requires: libvirt-daemon-driver-interface = %{version}-%{release}
+Requires: libvirt-daemon-driver-secret = %{version}-%{release}
+Requires: libvirt-daemon-driver-storage = %{version}-%{release}
+Requires: libvirt-daemon-driver-network = %{version}-%{release}
+Requires: libvirt-daemon-driver-nodedev = %{version}-%{release}
+Requires: libvirt-daemon-driver-nwfilter = %{version}-%{release}
 %endif
 Requires: libvirt-client = %{version}-%{release}