powerpc32 boot crash in 5.1-rc1

[Meelis Roos]

>> While 5.0.0 worked fine on my PowerMac G4, 5.0 + git (unknown rev as of Mar 13), 5.0.0-11520-gf261c4e and todays git all fail to boot.
>>
>> The problem seems to be in page fault handler in load_elf_binary() of init process.
> 
> The patch at https://patchwork.ozlabs.org/patch/1053385/ should fix it

Tested it - yes, it fixes the boot.

-- 
Meelis Roos <mroos at linux.ee>