SPI: Add Hyper Terminal FIFO functions

Change-Id: I7805fcdf0d312fad6f2a93c515d74665f9dd82da
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/11450
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2 files changed