kexec for aarch64_be

[Geoff Levand]

Hi Pankaj,

On Fri, 2014-07-11 at 13:10 +0530, Pankaj Pandey wrote:
> get_memory_ranges_dt: node_1552 memory
> get_memory_ranges_dt:  RAM: 0000004000000000 - 0000004400000000
> get_memory_ranges_dt:  RAM: 0000000000000000 - 0000000000000000
> get_memory_ranges_dt:  RAM: 0000000000000000 - 0000000000000000
> get_memory_ranges_dt:  RAM: 0000000000000000 - 0000000000000000
> get_memory_ranges_dt: Success
> p_vaddr: ffffffc000080000
> kexec: kexec/arch/arm64/kexec-arm64.c:242: virt_to_phys: Assertion
> `arm64_mem.memstart' failed.

I pushed out a fix for this (zero length memory sections) to my
master branch today.  Please pull and try again.

-Geoff