net: fec: sort the includes by alphabetic order

This is a preparation patch to make addition of new includes easier
without breaking the alphabetic order.

Suggested-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://patch.msgid.link/20250618-fec-cleanups-v4-4-c16f9a1af124@pengutronix.de


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