Simplify the SPI timeout by using the stopwatch. BUG=None BRANCH=None TEST=Built nyan. Confirmed stopwatch works independently. Change-Id: Ida26a0748d4b5a6a28aa8f6e2b92fe2ee4cbe17f Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 900d7ac826b76d49290033c87849bf776684f2c1 Original-Change-Id: I84b7949060326b7c6cc1872420b93bd44604c4d3 Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/219493 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/8816 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>