kirkwood: switch kernel version to 5.4
5.4 support is ready and tested.
Compile tested: all target devices
Run tested: pogoplug v4, nsa310b and two unofficial supported devices
Tested-by: Sungbo Eo <[email protected]>
Tested-by: Alberto Bursi <[email protected]> [pogoplug v4 and nsa310b]
Signed-off-by: Pawel Dembicki <[email protected]>
[fixed the switch, removed maintainer variable]
Signed-off-by: Petr Štetiar <[email protected]>
Pawel Dembicki