Command usage cleanup

Remove command name from all command "usage" fields and update
common/command.c to display "name - usage" instead of
just "usage". Also remove newlines from command usage fields.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/amcc/taishan/lcd.c b/board/amcc/taishan/lcd.c
index 4e14bbc..e4d0705 100644
--- a/board/amcc/taishan/lcd.c
+++ b/board/amcc/taishan/lcd.c
@@ -254,16 +254,16 @@
 	return 0;
 }
 
-U_BOOT_CMD(lcd_test, 1, 1, do_lcd_test, "lcd_test - lcd test display\n", NULL);
-U_BOOT_CMD(lcd_cls, 1, 1, do_lcd_clear, "lcd_cls - lcd clear display\n", NULL);
+U_BOOT_CMD(lcd_test, 1, 1, do_lcd_test, "lcd test display", NULL);
+U_BOOT_CMD(lcd_cls, 1, 1, do_lcd_clear, "lcd clear display", NULL);
 U_BOOT_CMD(lcd_puts, 2, 1, do_lcd_puts,
-	   "lcd_puts - display string on lcd\n",
+	   "display string on lcd",
 	   "<string> - <string> to be displayed\n");
 U_BOOT_CMD(lcd_putc, 2, 1, do_lcd_putc,
-	   "lcd_putc - display char on lcd\n",
+	   "display char on lcd",
 	   "<char> - <char> to be displayed\n");
 U_BOOT_CMD(lcd_cur, 3, 1, do_lcd_cur,
-	   "lcd_cur - shift cursor on lcd\n",
+	   "shift cursor on lcd",
 	   "<count> <dir>- shift cursor on lcd <count> times, direction is <dir> \n"
 	   " <count> - 0~31\n" " <dir> - 0,backward; 1, forward\n");
 
@@ -373,8 +373,8 @@
 }
 
 U_BOOT_CMD(ledon, 1, 1, do_led_test_on,
-	   "ledon - led test light on\n", NULL);
+	   "led test light on", NULL);
 
 U_BOOT_CMD(ledoff, 1, 1, do_led_test_off,
-	   "ledoff - led test light off\n", NULL);
+	   "led test light off", NULL);
 #endif