arm:also use 1MB sections for mapping AM335X device memory.
arm:also use 1MB sections for mapping AM335X device memory.

Change-Id: Idc0b285fcbabe8ec4c0be9a600b6a720c0bd3ffc

veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi