ARM: mxs_defconfig: Select CONFIG_NVMEM_MXS_OCOTP

Select the mxs ocotp driver.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/configs/mxs_defconfig

@@ -141,6 +141,8 @@ CONFIG_IIO=y
 CONFIG_IIO_SYSFS_TRIGGER=y
 CONFIG_PWM=y
 CONFIG_PWM_MXS=y
+CONFIG_NVMEM=y
+CONFIG_NVMEM_MXS_OCOTP=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT3_FS=y