LU-4496 build: enable RPMs build with --disable-modules

LU-4496 build: enable RPMs build with --disable-modules

Enable the following RPMs build:
  ./configure --disable-modules
  make rpms

Addition to commit c92afbcd4a8234994affa444d59645b80fa19ec5
(Reviewed-on: http://review.whamcloud.com/6020)

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Change-Id: I7b26fac928404a75e974b414085bf1a584ad8bb9
Reviewed-on: http://review.whamcloud.com/9306
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Christopher J. Morrone <chris.morrone.llnl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>