option: Only validate options if change is requested
option: Only validate options if change is requested

This allows to send the entire set of options including immutable options as
long as their value is unchanged. This is useful as it allows to ensure that
the set of all options is x, where x is a combination of mutable and immutable
options.

Signed-off-by: Thomas Graf <5f50a84c1fa3bcff146405017f36aec1a10a9e38@cilium.io>

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