armv8: ls1012ardb: Updates secure boot headers offset

Updates the secure boot headers offsets of Kernel and other
firmware images used by esbc_validate command.

Signed-off-by: Priyanka Singh <priyanka.singh@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

include/configs/ls1012ardb.h

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
+ * Copyright 2020 NXP
  * Copyright 2016 Freescale Semiconductor, Inc.
  */
 
@@ -64,7 +65,7 @@
 	"initrd_high=0xffffffffffffffff\0"	\
 	"fdt_addr=0x00f00000\0"			\
 	"kernel_addr=0x01000000\0"		\
-	"kernelheader_addr=0x800000\0"		\
+	"kernelheader_addr=0x600000\0"		\
 	"scriptaddr=0x80000000\0"		\
 	"scripthdraddr=0x80080000\0"		\
 	"fdtheader_addr_r=0x80100000\0"		\