Log the platform boot mode reported by PSP verstage to PSP stage 1
bootloader. This helps to improve the debuggability.
BUG=b:193050286
TEST=Build and Boot to OS in Nipperkin. Ensure that the platform boot
mode is logged in the verstage logs.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I752ee56f2af48215a770d799432d02f0609757cd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62668
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
112887142e