LU-17198 tests: running_in_vm to recognize qemu

LU-17198 tests: running_in_vm to recognize qemu

qemu is reported in dmidecode's system-manufacturer field,
not in system-product-name

Test-Parameters: trivial
Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: Id7e01ae2825835080d29ebec1750e53b87f5cf04
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/52704
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>