igep00x0: change mpurate from 500 to auto

This patch changes the default mpurate variable from 500 to auto on
all IGEP boards, with this the default rate is autoselected.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
1 file changed