arch: Fix error for unsupported arch
arch: Fix error for unsupported arch

hioa-cs/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,AndreasAakesson/IncludeOS,alfred-bratterud/IncludeOS,AnnikaH/IncludeOS,AndreasAakesson/IncludeOS,AndreasAakesson/IncludeOS,AnnikaH/IncludeOS,ingve/IncludeOS,AnnikaH/IncludeOS,AnnikaH/IncludeOS,ingve/IncludeOS,ingve/IncludeOS,AnnikaH/IncludeOS,ingve/IncludeOS,alfred-bratterud/IncludeOS,hioa-cs/IncludeOS,hioa-cs/IncludeOS,ingve/IncludeOS,mnordsletten/IncludeOS,AndreasAakesson/IncludeOS,mnordsletten/IncludeOS,alfred-bratterud/IncludeOS,mnordsletten/IncludeOS,mnordsletten/IncludeOS,hioa-cs/IncludeOS,mnordsletten/IncludeOS,alfred-bratterud/IncludeOS,mnordsletten/IncludeOS,AndreasAakesson/IncludeOS,AndreasAakesson/IncludeOS