zynq-common: increase malloc pool len by dfu mmc file buffer size

The dfu mmc file buffer, which was static, now is allocated
by memalign(), so the malloc pool len should be also increased.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Cc: Michal Simek <monstr@monstr.eu>
Acked-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 864528a..485babd 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -255,7 +255,7 @@
 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x1000)
 
-#define CONFIG_SYS_MALLOC_LEN		0xC00000
+#define CONFIG_SYS_MALLOC_LEN		0x1400000
 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_SDRAM_BASE
 #define CONFIG_SYS_INIT_RAM_SIZE	CONFIG_SYS_MALLOC_LEN
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \