imx-common: introduce USE_IMXIMG_PLUGIN Kconfig

Introduce USE_IMXIMG_PLUGIN Kconfig

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/imx-common/Kconfig

@@ -18,6 +18,13 @@ config IMX_BOOTAUX
 	help
 	  bootaux [addr] to boot auxiliary core.
 
+config USE_IMXIMG_PLUGIN
+	bool "Use imximage plugin code"
+	depends on ARCH_MX7 || ARCH_MX6
+	help
+	  i.MX6/7 supports DCD and Plugin. Enable this configuration
+	  to use Plugin, otherwise DCD will be used.
+
 config SECURE_BOOT
 	bool "Support i.MX HAB features"
 	depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX5