ASoC: Add build infrastructure for WL1273

The Makefile and Kconfig updates for WL1273 appear to have been mising
from the patch posted, add them.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
2 files changed