Fix WP polarity on Mario

Note that both the current and boot settings are incorrect as reported
by the BIOS.  This fixes both.

Change-Id: Iebd2b4ac91232444e538f6e2763a22cb227f2e4f

BUG=chrome-os-partner:2078
TEST=manual

Run crossystem on Mario and Alex with WP enabled, disabled and check
Verify true hardware WP status by doing:
   flashrom --wp-enable
   flashrom --wp-status
   flashrom --wp-disable
   flashrom --wp-status
On a system with hardware WP enabled, the disable step should fail and write
protect will still report enabled.

Review URL: http://codereview.chromium.org/6531035
1 file changed