sbc8641d: enable command line editing

It is just too painful to use interactively without it.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

include/configs/sbc8641d.h

@@ -494,6 +494,7 @@
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
 #define CONFIG_SYS_LOAD_ADDR	0x2000000	/* default load address */
+#define CONFIG_CMDLINE_EDITING	1		/* add command line history */
 
 #if defined(CONFIG_CMD_KGDB)
     #define CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size */