LU-5093 test: dir_remote.sh change stripe count

LU-5093 test: dir_remote.sh change stripe count

dir_remote.sh currently creates only directories with
$MDTCOUNT stripes. This patch makes it create directories
with from 1 to $MDTCOUNT stripes, which also creates
non-striped remote directories (stripe_count = 1).

Signed-off-by: Patrick Farrell <paf@cray.com>
Change-Id: I8334661b40620c1e0ecc03dd29756fb607e3e3ca
Reviewed-on: http://review.whamcloud.com/10390
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>