lib/bootmode: Use newly-add recovery module

Use the newly added check recovery request function from recovery module
in vboot2 to check for a pending recovery request.

BUG=chrome-os-partner:55431

Change-Id: I354cc094f1e5d0044cf13e5bc28246f058d470c6
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15801
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
1 file changed