imx6: add DMA/SDMA support for 3.12

DMA and SDMA support are needed for ssi based audio.  Note that the sdma
firmware is no longer required for ssi audio.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39011 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/imx6/config-3.12

@@ -14,8 +14,6 @@ CONFIG_ARCH_MULTI_V7=y
 CONFIG_ARCH_MXC=y
 # CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
 CONFIG_ARCH_NR_GPIO=0
-# CONFIG_ARCH_OMAP3 is not set
-# CONFIG_ARCH_OMAP4 is not set
 CONFIG_ARCH_REQUIRE_GPIOLIB=y
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
@@ -195,8 +193,8 @@ CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_IMX=y
 # CONFIG_IMX2_WDT is not set
-# CONFIG_IMX_DMA is not set
-# CONFIG_IMX_SDMA is not set
+CONFIG_IMX_DMA=y
+CONFIG_IMX_SDMA=y
 # CONFIG_IMX_WEIM is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQCHIP=y