board/ls2085_common: Increase malloc length

Increase malloc length for more than 2M.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/ls2085a_common.h b/include/configs/ls2085a_common.h
index 94d372f..aca7301 100644
--- a/include/configs/ls2085a_common.h
+++ b/include/configs/ls2085a_common.h
@@ -78,7 +78,7 @@
 #define COUNTER_FREQUENCY		12000000	/* 12MHz */
 
 /* Size of malloc() pool */
-#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 2048 * 1024)
 
 /* I2C */
 #define CONFIG_CMD_I2C