armv8: layerscape: Allocate 66 MB DDR for secure memory

Change DDR allocated for secure memory from 2 MB to 66 MB. This
additional 64 MB secure memory is required for trusted OS running
in Trusted Execution Environment using ARMv8 TrustZone.

Signed-off-by: Sumit Garg <sumit.garg@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/include/asm/arch-fsl-layerscape/config.h

@@ -16,7 +16,7 @@
  * Reserve secure memory
  * To be aligned with MMU block size
  */
-#define CONFIG_SYS_MEM_RESERVE_SECURE	(2048 * 1024)	/* 2MB */
+#define CONFIG_SYS_MEM_RESERVE_SECURE	(66 * 1024 * 1024)	/* 66MB */
 #define SPL_TLB_SETBACK	0x1000000	/* 16MB under effective memory top */
 
 #ifdef CONFIG_ARCH_LS2080A