powerpc: rebuild vdsos correctly

[Michael Ellerman]

On Mon, 2016-08-08 at 09:35:43 UTC, Nicholas Piggin wrote:
> When using if_changed, we need to add FORCE to dependencies, otherwise
> we don't get command line change checking amongst other things. This
> has resulted in vdsos not being rebuilt when switching between big and
> little endian.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/b9a4a0d02c5b8d9a1397c11d74

cheers