timespec and other time related types were hidden in 5.6 kernel,
details here:
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c766d1472c70d25ad475cf56042af1652e792b23
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=412c53a680a97cb1ae2c0ab60230e193bee86387
Change-Id: I02ed16f9047337c77cc9ad344bbb40c52b3202be
Signed-off-by: Michal Berger <michalx.berger@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3505
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Maciej Wawryk <maciejx.wawryk@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
