driver: misc: add MXC_OCOTP Kconfig entry

Add MXC_OCOTP Kconfig entry.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 101a619..b92da4e 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -83,6 +83,13 @@
 	  Security Monitor can be transitioned on any security failures,
 	  like software violations or hardware security violations.
 
+config MXC_OCOTP
+	bool "Enable MXC OCOTP Driver"
+	help
+	  If you say Y here, you will get support for the One Time
+	  Programmable memory pages that are stored on the some
+	  Freescale i.MX processors.
+
 config PCA9551_LED
 	bool "Enable PCA9551 LED driver"
 	help