tomato: enable preserved log for debugging
tomato: enable preserved log for debugging

Enable preserved log for ec reboot bugs like b/207326541.

BUG=none
TEST=make
BRANCH=main

Signed-off-by: Ting Shen <c671d3efec3d7e7e285f3788bf0d1ba4c8605b78@google.com>
Change-Id: I8c81605d199c23ede155e7b13fe1e9cb59fca480
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3293756
Tested-by: Ting Shen <c671d3efec3d7e7e285f3788bf0d1ba4c8605b78@chromium.org>
Auto-Submit: Ting Shen <c671d3efec3d7e7e285f3788bf0d1ba4c8605b78@chromium.org>
Reviewed-by: Eric Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@google.com>
Commit-Queue: Eric Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec