MRP-1709 tests: recovery-small 10c failure

recovery-small has no MULTIOP definition, the direct call of
multiop util is to be used instead.
Introduced in MRP-1671

Signed-off-by: Vitaly Fertman <Vitaly_Fertman@xyratex.com>
Change-Id: Ia8c9c12d592e118abc0f70d08e6648e15beaddc4
Reviewed-on: http://es-gerrit.xyus.xyratex.com:8080/1610
Tested-by: Jenkins
Reviewed-by: Elena Gryaznova <elena_gryaznova@xyratex.com>
Tested-by: Elena Gryaznova <elena_gryaznova@xyratex.com>
Reviewed-by: Denis Kondratenko <denis_kondratenko@xyratex.com>