Rename firmware_CorruptFwA to firmware_CorruptFwSigA and so forth.

Test renaming as follows:
  firmware_CorruptFwA -> firmware_CorruptFwSigA
  firmware_CorruptFwB -> firmware_CorruptFwSigB
  firmware_CorruptBothFwAB -> firmware_CorruptBothFwSigAB

BUG=chromium-os:19710;chrome-os-partner:6882
TEST=run_remote_tests.sh --remote=$REMOTE_IP -a "xml_config=$OVERLAY_XML \
        servo_vid=0x18d1 servo_pid=0x5001" CorruptFwSigA/control.both
     run_remote_tests.sh --remote=$REMOTE_IP -a "xml_config=$OVERLAY_XML \
        servo_vid=0x18d1 servo_pid=0x5001" CorruptFwSigB/control.both
     run_remote_tests.sh --remote=$REMOTE_IP -a "xml_config=$OVERLAY_XML \
        servo_vid=0x18d1 servo_pid=0x5001" CorruptBothFwSigAB/control.both

Change-Id: I8e40b54181a22067dd7b3e0fcd73a8f9623ec60c
Reviewed-on: https://gerrit.chromium.org/gerrit/12731
Reviewed-by: Todd Broch <tbroch@chromium.org>
Tested-by: Tom Wai-Hong Tam <waihong@chromium.org>
Commit-Ready: Tom Wai-Hong Tam <waihong@chromium.org>
20 files changed