mcx: increased buffer for command line

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tom Rini <trini@ti.com>

include/configs/mcx.h

@@ -227,7 +227,7 @@
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
 #define CONFIG_SYS_PROMPT		V_PROMPT
-#define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE		1024/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					sizeof(CONFIG_SYS_PROMPT) + 16)