servo_interfaces: Add zork

BUG=b:142073228
TEST=emerge hdctools && servod --board=zork

Change-Id: I06cc67584953083ddb42bf17a8527bae6da02d39
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hdctools/+/1839112
Reviewed-by: Edward Hill <ecgh@chromium.org>
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
diff --git a/servo/servo_interfaces.py b/servo/servo_interfaces.py
index 2066cc9..ab9fdaf 100644
--- a/servo/servo_interfaces.py
+++ b/servo/servo_interfaces.py
@@ -306,6 +306,7 @@
     'soraka',
     'strago',
     'zoombini',
+    'zork',
 ]:
   INTERFACE_BOARDS[board][0x18d1][0x5002] = \
       list(INTERFACE_DEFAULTS[0x18d1][0x5002])