When adding the patch for the missing register, the patch file for the
testing kernel 5.10 was not included.
Fixes commit fbbad9a9a6 ("ath79: force SGMII SerDes
mode to MAC operation")
Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: maurerr <mariusd84@gmail.com>