ASoC: Intel: Skylake: Fix to set Non gateway copier cfg

If copier instance is connected to a DMA gateway then driver
needs to configure the gateway configuration otherwise set
it to invalid.
This patch sets the non gateway copier node value to invalid.

Signed-off-by: Dharageswari.R <dharageswari.r@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>