soc/amd: Move southbridge_write_acpi_tables

This is common between all the chipsets.

It's also required by common/block/lpc/lpc.c.

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I361dfabfe0c04667a2c112955133831a985d5cc0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50509
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
diff --git a/src/soc/amd/common/block/acpi/tables.c b/src/soc/amd/common/block/acpi/tables.c
new file mode 100644
index 0000000..fd1f37f
--- /dev/null
+++ b/src/soc/amd/common/block/acpi/tables.c
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <amdblocks/acpi.h>
+#include <device/device.h>
+#include <types.h>
+
+unsigned long southbridge_write_acpi_tables(const struct device *device,
+		unsigned long current,
+		struct acpi_rsdp *rsdp)
+{
+	return acpi_write_hpet(device, current, rsdp);
+}