mb/google/mancomb: Enable verstage

BUG=b:182211161
TEST=builds

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Ic07a3ac556637919742fcbe899ee3fdfac38bb94
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51492
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Mathew King <mathewk@chromium.org>

src/mainboard/google/mancomb/Makefile.inc

@@ -2,6 +2,8 @@
 
 bootblock-y += bootblock.c
 
+verstage-y += verstage.c
+
 ramstage-y += mainboard.c
 ramstage-$(CONFIG_CHROMEOS) += chromeos.c
 

src/mainboard/google/mancomb/verstage.c

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <security/vboot/vboot_common.h>
+
+void verstage_mainboard_early_init(void)
+{
+}
+
+void verstage_mainboard_init(void)
+{
+}