timestamps: Refactor CBMEM hook

Separate timestamp_sync_cache_to_cbmem() as it is only
used with ENV_ROMSTAGE.

Change-Id: Ibe18a5ecf09b2b87d8ee3e828728ad6a8a262206
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35280
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions