PSROccupancyTest: Add the board gandof in test

Add to check the board gandof in test.

BUG=chrome-os-partner:38665
TEST=`test_that -b gandof {Remote_IP} power_PSROccupancyTest`

Change-Id: I0cf4b711fa792623feae245e4bc3e95df885e38a
Signed-off-by: Grace Kao <grace.kao@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/273651
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
diff --git a/client/site_tests/power_PSROccupancyTest/power_PSROccupancyTest.py b/client/site_tests/power_PSROccupancyTest/power_PSROccupancyTest.py
index bd18e06..ed0c6f8 100644
--- a/client/site_tests/power_PSROccupancyTest/power_PSROccupancyTest.py
+++ b/client/site_tests/power_PSROccupancyTest/power_PSROccupancyTest.py
@@ -52,9 +52,9 @@
 
 
     def run_once(self):
-        if utils.get_board() != 'samus':
+        if utils.get_board() not in ['samus', 'gandof']:
             raise error.TestNAError(
-                    'Trying to run PSR tests on non-samus board.')
+                    'Trying to run PSR tests on unsupported board.')
         psr_enabled = self._is_psr_enabled()
         if (not psr_enabled and
             graphics_utils.call_xrandr('--output eDP1 --set psr on')):