ARM: omap2plus_defconfig: enable AM33XX SoC sound

Without this, sound on AM437x Starter Kit will
not work.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index 197c346..a0cd438 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -281,6 +281,8 @@
 CONFIG_SND_DEBUG=y
 CONFIG_SND_USB_AUDIO=m
 CONFIG_SND_SOC=m
+CONFIG_SND_EDMA_SOC=m
+CONFIG_SND_AM33XX_SOC_EVM=m
 CONFIG_SND_OMAP_SOC=m
 CONFIG_SND_OMAP_SOC_OMAP_TWL4030=m
 CONFIG_SND_OMAP_SOC_OMAP_ABE_TWL6040=m