smc37c669: remove useless is_enabled functions

Calls to is_enabled are bounded to indices that actually exist in
the SuperIO device.  Therefore, the is_enabled functions in
smc37c669 are not doing anything and they can be removed.

Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed