driver: misc: correct Kconfig entry

Should use FSL_SEC_MON, not CONFIG_FSL_SEC_MON as Kconfig entry.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>

drivers/misc/Kconfig

@@ -59,7 +59,7 @@ config CROS_EC_SPI
 	  provides a faster and more robust interface than I2C but the bugs
 	  are less interesting.
 
-config CONFIG_FSL_SEC_MON
+config FSL_SEC_MON
 	bool "Enable FSL SEC_MON Driver"
 	help
 	  Freescale Security Monitor block is responsible for monitoring