[FIX] powerpc: discard .exit.data at runtime

[Michael Ellerman]

On Wed, 2015-07-10 at 23:28:28 UTC, Stephen Rothwell wrote:
> .exit.text is discarded at run time and there are some references from
> that to .exit.data, so we need to discard .exit.data at run time as well.
> 
> Fixes these errors:
> 
> `.exit.data' referenced in section `.exit.text' of drivers/built-in.o: defined in discarded section `.exit.data' of drivers/built-in.o
> `.exit.data' referenced in section `.exit.text' of drivers/built-in.o: defined in discarded section `.exit.data' of drivers/built-in.o
> 
> Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/4c8123181d692c5b78650ee5

cheers