colibri_vf: Increase console IO buffer size to 1024

Increase console IO buffer size to 1024 from the previous value of 256.
The previous value was too short for editing environment variables like
ubiboot from the console.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

include/configs/colibri_vf.h

@@ -181,7 +181,7 @@
 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
 #define CONFIG_SYS_PROMPT		"Colibri VFxx # "
 #undef CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
 #define CONFIG_SYS_PBSIZE		\
 			(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */