Standardize command usage messages with cmd_usage()

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/cpu/mpc8260/bedbug_603e.c b/cpu/mpc8260/bedbug_603e.c
index f1be485..c969ff6 100644
--- a/cpu/mpc8260/bedbug_603e.c
+++ b/cpu/mpc8260/bedbug_603e.c
@@ -72,7 +72,7 @@
 
   if (argc < 2)
   {
-    printf ("Usage:\n%s\n", cmdtp->usage);
+    cmd_usage(cmdtp);
     return;
   }
 
@@ -119,7 +119,7 @@
 	(( argv[ 1 ][ 0 ] >= 'a' ) && ( argv[ 1 ][ 0 ] <= 'f' )) ||
 	(( argv[ 1 ][ 0 ] >= 'A' ) && ( argv[ 1 ][ 0 ] <= 'F' ))))
   {
-    printf ("Usage:\n%s\n", cmdtp->usage);
+    cmd_usage(cmdtp);
     return;
   }
 
diff --git a/cpu/mpc83xx/ecc.c b/cpu/mpc83xx/ecc.c
index 5ab169f..47c8937 100644
--- a/cpu/mpc83xx/ecc.c
+++ b/cpu/mpc83xx/ecc.c
@@ -119,7 +119,7 @@
 	writeback[1] = 0x89abcdefUL;
 
 	if (argc > 4) {
-		printf("Usage:\n%s\n", cmdtp->usage);
+		cmd_usage(cmdtp);
 		return 1;
 	}
 
@@ -350,7 +350,7 @@
 			return 0;
 		}
 	}
-	printf("Usage:\n%s\n", cmdtp->usage);
+	cmd_usage(cmdtp);
 	return 1;
 }
 
diff --git a/cpu/mpc8xx/bedbug_860.c b/cpu/mpc8xx/bedbug_860.c
index 5d52366..0308bbb 100644
--- a/cpu/mpc8xx/bedbug_860.c
+++ b/cpu/mpc8xx/bedbug_860.c
@@ -71,7 +71,7 @@
 
   if (argc < 2)
   {
-    printf ("Usage:\n%s\n", cmdtp->usage);
+    cmd_usage(cmdtp);
     return;
   }
 
@@ -122,7 +122,7 @@
 
   if( !isdigit( argv[ 1 ][ 0 ]))
   {
-    printf ("Usage:\n%s\n", cmdtp->usage);
+    cmd_usage(cmdtp);
     return;
   }
 
diff --git a/cpu/ppc4xx/bedbug_405.c b/cpu/ppc4xx/bedbug_405.c
index 5ef5607..ef11cb6 100644
--- a/cpu/ppc4xx/bedbug_405.c
+++ b/cpu/ppc4xx/bedbug_405.c
@@ -71,7 +71,7 @@
 	/* -------------------------------------------------- */
 
 	if (argc < 2) {
-		printf ("Usage:\n%s\n", cmdtp->usage);
+		cmd_usage(cmdtp);
 		return;
 	}
 
@@ -125,7 +125,7 @@
 	/* Set a breakpoint at the address */
 
 	if (!isdigit (argv[1][0])) {
-		printf ("Usage:\n%s\n", cmdtp->usage);
+		cmd_usage(cmdtp);
 		return;
 	}