eth: fbnic: re-sort the objects in the Makefile

Looks like recent commit broke the sort order, fix it.

Acked-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Link: https://patch.msgid.link/20250211181356.580800-6-kuba@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>