mb/google/rex: Add fingerprint SPI

Add Fingerprint SPI, and power-off FPMCU during romstage.
For reference see CL:66915 for a similar change to Brya's power sequence
SHA: 2b523ce6316e5c5ec86fe812d739fe48ca81d83d ("Invoke power cycle of
FPMCU on startup")

TEST=Tested on Rex - setup and logged in using fingerprint

Change-Id: I4e6be24e72a8232ae2c958a01cf8ea9a272d7365
Signed-off-by: Eran Mitrani <mitrani@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66992
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>

0 files changed, 0 insertions, 0 deletions