add -r alias for --remove_rootfs_verification

BUG=none
TEST=Ran script with new arg and ensured it disabled verity
BRANCH=none

Change-Id: I2cf4ca1a0a7b3663b05f7b2ef35fb6f9261b00a9
Signed-off-by: Steven 'Steve' Kendall <skend@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/3825117
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed