ARM: mxs_defconfig: Add SPI and LRADC support

Add SPI and LRADC support.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/configs/mxs_defconfig

@@ -61,6 +61,8 @@ CONFIG_DEVTMPFS=y
 # CONFIG_BLK_DEV is not set
 CONFIG_MTD=y
 CONFIG_MTD_CHAR=y
+CONFIG_MTD_DATAFLASH=y
+CONFIG_MTD_M25P80
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_GPMI_NAND=y
 CONFIG_NETDEVICES=y
@@ -90,6 +92,7 @@ CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_MXS=y
 CONFIG_SPI=y
 CONFIG_SPI_GPIO=m
+CONFIG_SPI_MXS=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
 # CONFIG_HWMON is not set
@@ -142,7 +145,11 @@ CONFIG_RTC_DRV_DS1307=m
 CONFIG_RTC_DRV_STMP=y
 CONFIG_DMADEVICES=y
 CONFIG_MXS_DMA=y
+CONFIG_STAGING=y
+CONFIG_MXS_LRADC=y
+CONFIG_IIO_SYSFS_TRIGGER=y
 CONFIG_COMMON_CLK_DEBUG=y
+CONFIG_IIO=y
 CONFIG_PWM=y
 CONFIG_PWM_MXS=y
 CONFIG_EXT3_FS=y