EX-6220 lipe: lipe_find3 has no mirror-count and stripe-count

EX-6220 lipe: lipe_find3 has no mirror-count and stripe-count

Added mirror-count and stripe-count search options

Test-Parameters: trivial testlist=sanity-lipe-find3
Signed-off-by: Alexandre Ioffe <aioffe@ddn.com>
Change-Id: I79c3b1cd0b1759abce248bee73676a823441825c
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/49578
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>