net: ks8851: Remove ks8851_mll.c

The ks8851_mll.c is replaced by ks8851_par.c, which is using common code
from ks8851.c, just like ks8851_spi.c . Remove this old ad-hoc driver.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Petr Stetiar <ynezz@true.cz>
Cc: YueHaibing <yuehaibing@huawei.com>
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V2: No change
V3: No change
V4: No change
1 file changed