`Core` field has been removed in patch 7b397f6.
Fixes: 7b397f6281de ("nvmf: No longer tie subsystems to CPU cores")
Change-Id: Iae6f284628ed67b8bd985501dc49ea2c926dcf7d
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/394814
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
6a9fe9addc