mb/google/octopus: Enable TPM on GSPI

BUG=b:73133848
BRANCH=None
TEST=Build coreboot for Octopus board. Tested the GSPI interface
with a SPI EEPROM and got correct response to a RDID command

Change-Id: Ia10ab9da0055b54a96134a6e4c51b2a229a6fecf
Signed-off-by: Ravi Sarawadi <ravishankar.sarawadi@intel.com>
Reviewed-on: https://review.coreboot.org/24907
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
3 files changed