elf: Don't check for FUNC when all symbols are FUNC
elf: Don't check for FUNC when all symbols are FUNC

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