acpi,soc/intel: Make soc/motherboard_fill_fadt() global

Change-Id: Iad7e7af802212d5445aed8bb08a55fd6c044d5bf
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41916
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 8bf4b49..2f4a2bb 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -1220,6 +1220,10 @@
 }
 
 #if CONFIG(COMMON_FADT)
+
+__weak void soc_fill_fadt(acpi_fadt_t *fadt) { }
+__weak void motherboard_fill_fadt(acpi_fadt_t *fadt) { }
+
 void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
 {
 	acpi_header_t *header = &(fadt->header);
@@ -1256,6 +1260,9 @@
 
 	acpi_fill_fadt(fadt);
 
+	soc_fill_fadt(fadt);
+	motherboard_fill_fadt(fadt);
+
 	header->checksum =
 	    acpi_checksum((void *) fadt, header->length);
 }