MIPS: Octeon: Handle bootloader structures in little-endian mode.

Compensate for the differences in the layout of in-memory bootloader
information as seen from little-endian mode.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9590/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>