Fizz: Use EC for keyboard commands

Fizz has an EC, so we'll use it for simulating
key presses instead of the atmega emulator.

BUG=b:63888325
BRANCH=None
TEST=Run firmware_DevMode to confirm keyboard commands work

Change-Id: Icecbbf961ea21f14aa9441064e50f2f07cf90104
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/587431
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
diff --git a/servo/servo_server.py b/servo/servo_server.py
index 1e0ae31..c03ea93 100755
--- a/servo/servo_server.py
+++ b/servo/servo_server.py
@@ -257,7 +257,7 @@
     elif board in ('buddy', 'cranky', 'guado', 'jecht', 'mccloud', 'monroe',
                    'ninja', 'nyan_kitty', 'panther', 'rikku', 'stumpy',
                    'sumo', 'tidus', 'tricky', 'veyron_fievel', 'veyron_mickey',
-                   'veyron_rialto', 'veyron_tiger', 'zako', 'fizz'):
+                   'veyron_rialto', 'veyron_tiger', 'zako'):
       if self._usbkm232 is None:
         logging.info("No device path specified for usbkm232 handler. Use "
                      "the servo atmega chip to handle.")