use BCM2708 drivers for i2c,dma and spi

target/linux/config/Config.in.dma

@@ -1,7 +1,7 @@
 config ADK_KERNEL_DMADEVICES
 	boolean
 
-config ADK_KERNEL_DMA_BCM2835
+config ADK_KERNEL_DMA_BCM2708
         boolean
         select ADK_KERNEL_DMADEVICES
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI

target/linux/config/Config.in.i2c

@@ -7,7 +7,7 @@ config ADK_KERNEL_I2C
 config ADK_KERNEL_I2C_CHARDEV
  	tristate
 
-config ADK_KERNEL_I2C_BCM2835
+config ADK_KERNEL_I2C_BCM2708
 	prompt "I2C driver for Raspberry PI"
 	tristate
 	select ADK_KERNEL_I2C

target/linux/config/Config.in.spi

@@ -26,7 +26,7 @@ config ADK_KERNEL_SPI_PXA2XX
 	tristate
 	select ADK_KERNEL_SPI
 
-config ADK_KERNEL_SPI_BCM2835
+config ADK_KERNEL_SPI_BCM2708
 	prompt "SPI driver for Raspberry PI"
 	tristate
 	select ADK_KERNEL_SPI