powerpc/boot: Fix zImage TOC alignment

Tue Mar 14 22:45:59 AEDT 2017

On Tue, 2017-03-07 at 23:40:21 UTC, Michael Ellerman wrote:
> Recent toolchains force the TOC to be 256 byte aligned. We need to
> enforce this alignment in the zImage linker script, otherwise pointers
> to our TOC variables (__toc_start) could be incorrect. If the actual
> start of the TOC and __toc_start don't have the same value we crash
> early in the zImage wrapper.
> 
> Cc: stable at vger.kernel.org
> Suggested-by: Alan Modra <amodra at gmail.com>
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc fixes.

https://git.kernel.org/powerpc/c/97ee351b50a49717543533cfb85b4b

cheers