armv8: ls2080a: Increase MC's DDR size to 512 MB

Freescale's management complex (MC) uses System DDR for internal usage.
Increase used System DDR size from 256MB to 512 MB.

Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@freescale.com>
Acked-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

include/configs/ls2080a_common.h

@@ -196,7 +196,7 @@ unsigned long long get_qixis_addr(void);
  */
 #if defined(CONFIG_FSL_MC_ENET) || defined(CONFIG_FSL_DEBUG_SERVER)
 #define CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE	(254UL * 1024 * 1024)
-#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE		(256UL * 1024 * 1024)
+#define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE		(512UL * 1024 * 1024)
 #define CONFIG_SYS_MC_RSV_MEM_ALIGN			(512UL * 1024 * 1024)
 #endif