dut-console: Add support for servo_console

Also, fix pty_name for cr50 console.

BUG=none
TEST=dut-console servo with a servo_micro

Change-Id: I65f8b57107dbed1214430ac85737b1a37bbfe6a7
Reviewed-on: https://chromium-review.googlesource.com/1188058
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Nick Sanders <nsanders@chromium.org>
diff --git a/contrib/dut-console b/contrib/dut-console
index 009e25e..a82957e 100755
--- a/contrib/dut-console
+++ b/contrib/dut-console
@@ -49,7 +49,7 @@
 Opens CPU/EC servo console using "cu", outputs to both terminal, and an output
 file named "log-\${type}[-\${port}]" in the current directory.
 
-  type      One of cpu, ec, cr50, fpmcu
+  type      One of cpu, ec, cr50, fpmcu, servo, servo_v4
   [port]    servod port (optional, uses default if not specified)
 EOF
   exit 2
@@ -72,11 +72,17 @@
     pty_name=ec_uart_pty
     ;;
   cr50)
-    pty_name=cr50_console_pty
+    pty_name=cr50_uart_pty
     ;;
   fpmcu)
     pty_name=fpmcu_uart_pty
     ;;
+  servo)
+    pty_name=servo_console_pty
+    ;;
+  servo_v4)
+    pty_name=servo_v4_console_pty
+    ;;
   *)
     usage
     ;;