asus/kgpe-d16: Add romstage_handoff

Fix regression caused by commit

  9e94dbf ACPI: Get S3 resume state from romstage_handoff

Boards with EARLY_CBMEM_INIT are required to provide
romstage_handoff structure to signal S3 resume path.

Change-Id: I7c9065ccc48dfbdefade698ed275756f17dff7a0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21396
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/asus/kgpe-d16/romstage.c

@@ -26,6 +26,7 @@
 #include <device/pnp_def.h>
 #include <cpu/x86/lapic.h>
 #include <console/console.h>
+#include <romstage_handoff.h>
 #include <timestamp.h>
 #include <lib.h>
 #include <spd.h>
@@ -606,6 +607,9 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		cbmem_initialize();
 	else
 		cbmem_initialize_empty();
+
+	romstage_handoff_init(s3resume);
+
 	post_code(0x41);
 
 	amdmct_cbmem_store_info(sysinfo);