bpf: Create method to create BPF maps
bpf: Create method to create BPF maps

Contrary to OpenOrCreate, Create doesn't keep the BPF map opened. It is
used to create all global maps from the daemon.

Signed-off-by: Paul Chaignon <a027184a55211cd23e3f3094f1fdc728df5e0500@cilium.io>

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