vboot2: get rid of global variable that is used locally and only once

Change-Id: Iaf6d6a8857451fb16916aaae97a6fd5c51bc8cc4
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10005
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed