ARM: imx: Re-select CONFIG_SND_SOC_IMX_MC13783 option

Commit 02502da45 (ASoC: imx-mc13783: Depend on ARCH_ARM) caused the selection of
CONFIG_SND_SOC_IMX_MC13783 to be impossible due to a wrong dependency, which
caused CONFIG_SND_SOC_IMX_MC13783 to be removed after the defconfigs cleanups.

The original selection problem has been fixed by 9f19de649f (ASoC: imx-mc13783:
Make SND_SOC_IMX_MC13783 visible again), so it is possible to select
CONFIG_SND_SOC_IMX_MC13783 again as originally done.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 577f054..5d488c2 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -188,6 +188,7 @@
 CONFIG_SND_SOC_EUKREA_TLV320=y
 CONFIG_SND_SOC_IMX_WM8962=y
 CONFIG_SND_SOC_IMX_SGTL5000=y
+CONFIG_SND_SOC_IMX_MC13783=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_MXC=y