sh: dma: Make G2 DMA configurable.

Follow the PVR2 DMAC change for G2 DMA.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/sound/sh/Kconfig b/sound/sh/Kconfig
index cfc1439..aed0f90 100644
--- a/sound/sh/Kconfig
+++ b/sound/sh/Kconfig
@@ -15,6 +15,7 @@
 	tristate "Dreamcast Yamaha AICA sound"
 	depends on SH_DREAMCAST
 	select SND_PCM
+	select G2_DMA
 	help
 	  ALSA Sound driver for the SEGA Dreamcast console.