Convert CONFIG_CMD_DEKBLOB to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_DEKBLOB

Note: This option does not seem to actually be enabled by any board.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: imply under SECURE_BOOT for mx5/6/7]
Signed-off-by: Tom Rini <trini@konsulko.com>

arch/arm/imx-common/Kconfig

@@ -29,6 +29,7 @@ config SECURE_BOOT
 	bool "Support i.MX HAB features"
 	depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX5
 	select FSL_CAAM
+	imply CMD_DEKBLOB
 	help
 	  This option enables the support for secure boot (HAB).
 	  See doc/README.mxc_hab for more details.
@@ -46,3 +47,11 @@ config CMD_BMODE
 	  on U-Boot.  Using the reset button or running bmode normal
 	  will set it back to normal.  This command currently
 	  supports i.MX53 and i.MX6.
+
+config CMD_DEKBLOB
+	bool "Support the 'dek_blob' command"
+	help
+	  This enables the 'dek_blob' command which is used with the
+	  Freescale secure boot mechanism. This command encapsulates and
+	  creates a blob of data. See also CMD_BLOB and doc/README.mxc_hab for
+	  more information.

include/configs/mx6_common.h

@@ -84,7 +84,6 @@
 /* Secure boot (HAB) support */
 #ifdef CONFIG_SECURE_BOOT
 #define CONFIG_CSF_SIZE			0x2000
-#define CONFIG_CMD_DEKBLOB
 #ifdef CONFIG_SPL_BUILD
 #define CONFIG_SPL_DRIVERS_MISC_SUPPORT
 #endif

include/configs/mx7_common.h

@@ -67,7 +67,6 @@
 /* Secure boot (HAB) support */
 #ifdef CONFIG_SECURE_BOOT
 #define CONFIG_CSF_SIZE			0x2000
-#define CONFIG_CMD_DEKBLOB
 #endif
 
 #endif

scripts/config_whitelist.txt

@@ -394,7 +394,6 @@ CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
 CONFIG_CMD_DATE
-CONFIG_CMD_DEKBLOB
 CONFIG_CMD_DFL
 CONFIG_CMD_DIAG
 CONFIG_CMD_DISPLAY