armv7: ls1021a: Move SECURE_BOOT option to Kconfig

Move from CONFIG_SYS_EXTRA_OPTIONS to Kconfig option.

Signed-off-by: York Sun <york.sun@nxp.com>

arch/arm/cpu/armv7/ls102xa/Kconfig

@@ -28,6 +28,12 @@ config NUM_DDR_CONTROLLERS
 	int "Maximum DDR controllers"
 	default 1
 
+config SECURE_BOOT
+	bool	"Secure Boot"
+	help
+		Enable Freescale Secure Boot feature. Normally selected
+		by defconfig. If unsure, do not change.
+
 config SYS_FSL_ERRATUM_A010315
 	bool "Workaround for PCIe erratum A010315"
 

configs/ls1021aqds_nor_SECURE_BOOT_defconfig

@@ -7,7 +7,7 @@ CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=3
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set

configs/ls1021atwr_nor_SECURE_BOOT_defconfig

@@ -6,7 +6,7 @@ CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=3
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set

configs/ls1021atwr_sdcard_ifc_SECURE_BOOT_defconfig

@@ -13,7 +13,8 @@ CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
-CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,SD_BOOT,SECURE_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,SD_BOOT"
+CONFIG_SECURE_BOOT=y
 CONFIG_BOOTDELAY=0
 CONFIG_SILENT_CONSOLE=y
 # CONFIG_CONSOLE_MUX is not set