ASoC: amd: ps: enable SoundWire dma driver build

Enable SoundWire dma driver build for PS platform.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230612095903.2113464-8-Vijendar.Mukunda@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/ps/Makefile

@@ -3,7 +3,9 @@
 snd-pci-ps-objs := pci-ps.o
 snd-ps-pdm-dma-objs := ps-pdm-dma.o
 snd-soc-ps-mach-objs := ps-mach.o
+snd-ps-sdw-dma-objs := ps-sdw-dma.o
 
 obj-$(CONFIG_SND_SOC_AMD_PS) += snd-pci-ps.o
 obj-$(CONFIG_SND_SOC_AMD_PS) += snd-ps-pdm-dma.o
+obj-$(CONFIG_SND_SOC_AMD_PS) += snd-ps-sdw-dma.o
 obj-$(CONFIG_SND_SOC_AMD_PS_MACH)   += snd-soc-ps-mach.o