Introduce cpumask_nth_and_andnot() based on find_nth_and_andnot_bit().
It's used in the following patch to traverse cpumasks without storing
intermediate result in temporary cpumask.
Signed-off-by: NYury Norov <yury.norov@gmail.com>
Acked-by: NTariq Toukan <tariqt@nvidia.com>
Reviewed-by: NJacob Keller <jacob.e.keller@intel.com>
Reviewed-by: NPeter Lafreniere <peter@n8pjl.ca>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>