[PATCH] 4xx_enet.c: Correct the setting of zmiifer register

Patch below corrects the setting of the zmiifer register, it was
overwritting the register rather than ORing the settings.

Signed-off-by: Neil Wilson <NWilson@airspan.com>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed