pkg/logging/logfields: add new BPF map logfields
pkg/logging/logfields: add new BPF map logfields

Add constants for BPF map path and file descriptor.

Signed-off by: Ian Vernon <ian@cilium.io>

scanf/cilium,eloycoto/cilium,michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium,michi-covalent/cilium,cilium/cilium,scanf/cilium,cilium/cilium,cilium/cilium,scanf/cilium,tklauser/cilium,tgraf/cilium,tklauser/cilium,tklauser/cilium,scanf/cilium,eloycoto/cilium,cilium-team/cilium,michi-covalent/cilium,cilium-team/cilium,tklauser/cilium,scanf/cilium,cilium/cilium,cilium/cilium,scanf/cilium,eloycoto/cilium,michi-covalent/cilium,tgraf/cilium,scanf/cilium,tgraf/cilium,tgraf/cilium,eloycoto/cilium,eloycoto/cilium,eloycoto/cilium,tgraf/cilium,tklauser/cilium,eloycoto/cilium