There is no need to specify this property in the device tree as the
AST2400 does not have working hardware checksum and disables it in the
driver.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Alexander Filippov <a.filippov@yadro.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>