ls102x: Add support for secure boot and enable blob command

Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/configs/ls1021aqds_nor_SECURE_BOOT_defconfig b/configs/ls1021aqds_nor_SECURE_BOOT_defconfig
new file mode 100644
index 0000000..2b47995
--- /dev/null
+++ b/configs/ls1021aqds_nor_SECURE_BOOT_defconfig
@@ -0,0 +1,3 @@
+CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_ARM=y
+CONFIG_TARGET_LS1021AQDS=y