In Sabrina, PSP verstage uses a unified SVC call ID with sub-commands.
Update the SVC calls for Sabrina to pass the SVC_VERSTAGE_CMD (command
ID) with individual subcommands and the corresponding parameters.
BUG=b:220848545, b:217414563
TEST=Build the Skyrim BIOS image with PSP verstage enabled.
Change-Id: I56be51aa1dfb00e5f0945014600de2bbbec289db
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63729
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
0fa0a3e926