cpu/amd/pi/00730F01: Use common code for mp_init

TEST=APU2 still boots and doesn't show any new errors in dmesg.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia9f0eb3df8fd2dfe395f616da981cc3a0cd3b29d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64891
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
diff --git a/src/cpu/amd/pi/Makefile.inc b/src/cpu/amd/pi/Makefile.inc
index ad62e4d..c84fd76 100644
--- a/src/cpu/amd/pi/Makefile.inc
+++ b/src/cpu/amd/pi/Makefile.inc
@@ -5,3 +5,4 @@
 romstage-y += ../../../soc/amd/common/block/cpu/smm/smm_helper.c
 postcar-y += ../../../soc/amd/common/block/cpu/smm/smm_helper.c
 ramstage-y += ../../../soc/amd/common/block/cpu/smm/smm_helper.c
+ramstage-y += ../../../soc/amd/common/block/cpu/smm/smm_relocate.c