soc/amd/common: Show current SPI speeds and modes

This patch adds code to print the current SPI speeds for each of the 4
different speeds, Normal, Fast-read, Alt-mode, & TPM.  It also displays
the SPI mode and whether or not SPI100 mode is enabled.

BUG=b:194919326
TEST: Display the speed, change speeds, show that new speeds are the
expected values.

Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I7825a9337474c147b803c85c9af7f9dc24670459
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56960
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

0 files changed, 0 insertions, 0 deletions