FAFT/firmware_CorruptBothMiniosAB: Set servo to sink

Set servo to sink while setting up USB key, this will also help DUT see
the USB disk and Ethernet dongle.

BUG=b:202217528
TEST=/usr/bin/test_that --fast --no-retry --iterations 1 --board=brya
     $DUT_IP --autotest_dir $AUTOTEST_DIR
     firmware_CorruptBothMiniosAB

Change-Id: Ie4b810f0dba52443d3fbc301578342f3ba8e910f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/3276115
Tested-by: Hsuan Ting Chen <roccochen@chromium.org>
Auto-Submit: Hsuan Ting Chen <roccochen@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Commit-Queue: Hsuan Ting Chen <roccochen@chromium.org>
diff --git a/server/site_tests/firmware_CorruptBothMiniosAB/firmware_CorruptBothMiniosAB.py b/server/site_tests/firmware_CorruptBothMiniosAB/firmware_CorruptBothMiniosAB.py
index be2e8d7..09ebbef 100644
--- a/server/site_tests/firmware_CorruptBothMiniosAB/firmware_CorruptBothMiniosAB.py
+++ b/server/site_tests/firmware_CorruptBothMiniosAB/firmware_CorruptBothMiniosAB.py
@@ -34,7 +34,7 @@
         self.host = host
         # SSH to MiniOS is only available in developer mode
         self.switcher.setup_mode('dev')
-        self.setup_usbkey(usbkey=False)
+        self.setup_usbkey(usbkey=True, host=True, used_for_recovery=True)
 
     def cleanup(self):
         try: