86xx: enable command-line editing

Enable command-line editing for all MPC86xx boards.

Signed-off-by: Timur Tabi <timur@freescale.com>
diff --git a/include/configs/MPC8610HPCD.h b/include/configs/MPC8610HPCD.h
index ac4b3e1..a53953c 100644
--- a/include/configs/MPC8610HPCD.h
+++ b/include/configs/MPC8610HPCD.h
@@ -493,6 +493,7 @@
  * Miscellaneous configurable options
  */
 #define CFG_LONGHELP			/* undef to save memory	*/
+#define CONFIG_CMDLINE_EDITING          /* Command-line editing */
 #define CFG_LOAD_ADDR	0x2000000	/* default load address */
 #define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
 
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index ab875f0..985182f 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -555,6 +555,7 @@
  * Miscellaneous configurable options
  */
 #define CFG_LONGHELP			/* undef to save memory	*/
+#define CONFIG_CMDLINE_EDITING          /* Command-line editing */
 #define CFG_LOAD_ADDR	0x2000000	/* default load address */
 #define CFG_PROMPT	"=> "		/* Monitor Command Prompt */