Add ocaml-ipaddr

Signed-off-by: John Else <john.else@citrix.com>
Add patch to allow ipaddr to build

Signed-off-by: John Else <john.else@citrix.com>
Add ocaml-mirage-types

Signed-off-by: John Else <john.else@citrix.com>
Add ocaml-io-page

Signed-off-by: John Else <john.else@citrix.com>
CA-139732: Update to ocaml-vhd 0.7.1

Signed-off-by: John Else <john.else@citrix.com>
CA-139732: Bump release of vhd-tool RPM

Signed-off-by: John Else <john.else@citrix.com>