dmaengine: apple-admac: Select DMA_VIRTUAL_CHANNELS

Investigate. Was previously part of commit "dmaengine: apple-sio: Add
Apple SIO driver".

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

drivers/dma/Kconfig

@@ -89,6 +89,7 @@ config APPLE_ADMAC
 	tristate "Apple ADMAC support"
 	depends on ARCH_APPLE || COMPILE_TEST
 	select DMA_ENGINE
+	select DMA_VIRTUAL_CHANNELS
 	help
 	  Enable support for Audio DMA Controller found on Apple Silicon SoCs.