ath79: ag71xx: remove code for legacy kernels

ath79 does not support kernels prior to 4.19 anymore.
Remove legacy code for those kernels from the ag71xx driver.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer 2020-04-27 12:18:07 +02:00
parent 3f5997fb28
commit 5358d8b995