enable audio drivers for mpdbox

target/linux/config/Config.in.audio

@@ -161,7 +161,7 @@ config ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND
 	select ADK_KERNEL_SND_ARM
 	select ADK_KERNEL_SND_SOC
-	select ADK_KERNEL_SND_DMAENGINE_PCM if !ADK_KERNEL_VERSION_3_10
+	select ADK_KERNEL_SND_DMAENGINE_PCM
 	select ADK_KERNEL_SND_SOC_GENERIC_DMAENGINE_PCM
 	select ADK_KERNEL_SND_COMPRESS
 	select ADK_KERNEL_REGMAP_MMIO
@@ -176,6 +176,7 @@ config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DAC
 	select ADK_KERNEL_REGMAP_MMIO
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default m if ADK_PKG_MPDBOX
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DIGI
@@ -195,6 +196,7 @@ config ADK_KERNEL_SND_BCM2708_SOC_RPI_DAC
 	select ADK_KERNEL_REGMAP_MMIO
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default m if ADK_PKG_MPDBOX
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_IQAUDIO_DAC
@@ -204,6 +206,7 @@ config ADK_KERNEL_SND_BCM2708_SOC_IQAUDIO_DAC
 	select ADK_KERNEL_REGMAP_MMIO
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default m if ADK_PKG_MPDBOX
 	default n
 
 config ADK_KERNEL_SND_IMX_SOC