armv7: ls102xa: Increase the supported kernel size

Increase the kernel size supported for LS1021A platform. Define
CONFIG_SYS_BOOTM_LEN to 64M.
Signed-off-by: NAlison Wang <alison.wang@nxp.com>
Reviewed-by: NYork Sun <york.sun@nxp.com>

include/configs/ls1021aqds.h

@@ -665,5 +665,6 @@ unsigned long get_board_ddr_clk(void);
 #endif
 
 #include <asm/fsl_secure_boot.h>
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20) /* Increase max gunzip size */
 
 #endif

include/configs/ls1021atwr.h

@@ -523,5 +523,6 @@
 #endif
 
 #include <asm/fsl_secure_boot.h>
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20) /* Increase max gunzip size */
 
 #endif