As part of moving AGESA calls from bootblock to romstage, callback function
AGESA_HALT_THIS_AP must be available at romstage.
BUG=b:74236170
TEST=Build and boot grunt, actual test will be performed at a later patch.
Change-Id: I0992b2de5856881c19191ec4f637168727686524
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/25527
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
09a16e6a32