powerpc: vdso: Make vdso32 installation conditional in vdso_install

[Michael Ellerman]

On Fri, 2019-03-22 at 04:24:37 UTC, Ben Hutchings wrote:
> The 32-bit vDSO is not needed and not normally built for 64-bit
> little-endian configurations.  However, the vdso_install target still
> builds and installs it.  Add the same config condition as is normally
> used for the build.
> 
> Fixes: e0d005916994 ("powerpc/vdso: Disable building the 32-bit VDSO ...")
> Signed-off-by: Ben Hutchings <ben at decadent.org.uk>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ff6d27823f619892ab96f7461764840e

cheers