ASoC: Intel: remove mfld_machine

mfld_machine was not getting compiled due to missed Makefile changes.
Since no one complained it is safe to assume that it is not being used,
so remove it

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2 files changed