mb/google/octopus: enable MRC recovery cache

Enable the recovery cache to speed up recovery flows. Also
enable clearing of the normal mrc cache on recovery forced retrains.

BUG=b:77871444
TEST=went into recovery twice. 2nd time it boots faster.

Change-Id: Idfce42ac835637fa521545fadfedecd65df91d4c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25613
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
1 file changed