LU-15049 quota: fix a panic with pool number > 16

LU-15049 quota: fix a panic with pool number > 16

Fix a panic that may occur when there are more than 16
pools in a system:
qti_pools_add()) ASSERTION( qti->qti_pools_num >= QMT_MAX_POOL_NUM ) failed: Forgot init? ffff91a5f9625800

HPE-bug-id: LUS-10116
Change-Id: I4f73b74d2fd3e85a51cf3c30e2eec29645f164be
Reviewed-by: Petros Koutoupis <pkoutoupis@cray.com>
Reviewed-by: Shaun Tancheff <stancheff@cray.com>
Tested-by: Elena Gryaznova <c17455@cray.com>
Signed-off-by: Sergey Cheremencev <sergey.cheremencev@hpe.com>
Reviewed-on: https://review.whamcloud.com/45105
Reviewed-by: Petros Koutoupis <petros.koutoupis@hpe.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>