powerpc/85xx: Set max alloc length to 10MB on P1022DS

In order to support 1920x01080 resolution, we must increase the alloc
length.

Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
CC: Anatolij Gustschin <agust@denx.de>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
1 file changed