arm: mx6: cm-fx6: increase size of malloc area

Increase size of malloc area to make room for framebuffer
and other such big allocations.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>

include/configs/cm_fx6.h

@@ -276,7 +276,7 @@
 /* misc */
 #define CONFIG_SYS_GENERIC_BOARD
 #define CONFIG_STACKSIZE			(128 * 1024)
-#define CONFIG_SYS_MALLOC_LEN			(2 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN			(10 * 1024 * 1024)
 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	800 /* 400 KB */
 #define CONFIG_OF_BOARD_SETUP