MLK-9723-7: ARM: imx_v7_defconfig: build in mqs

enable mqs sound card.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
(cherry picked from commit 21cf6e439bdf9a0cf287b1dd04ceb56d0486167d)
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>

arch/arm/configs/imx_v7_defconfig

@@ -241,6 +241,7 @@ CONFIG_SND_SOC_IMX_WM8958=y
 CONFIG_SND_SOC_IMX_WM8962=y
 CONFIG_SND_SOC_IMX_SII902X=y
 CONFIG_SND_SOC_IMX_SGTL5000=y
+CONFIG_SND_SOC_IMX_MQS=y
 CONFIG_SND_SOC_IMX_SPDIF=y
 CONFIG_SND_SOC_IMX_MC13783=y
 CONFIG_USB=y