amd/pi/hudson: Add SPI definitions to header

Add defines that will be used later for setting the fastest settings
in the SPI controller.

Original-Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Original-Reviewed-by: Marc Jones <marcj303@gmail.com>
(cherry picked from commit 0d2c28b8156dcc1f3dc925b3c3ba15b6b07f202c)

Change-Id: I660cc9ed6910c33042321c80453c7f74912455d9
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/18441
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
1 file changed