ACPI: Add common acpi_fill_gnvs()

Change-Id: I515e830808a95eee3ce72b16fd26da6ec79dac85
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48718
Reviewed-by: Lance Zhao
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/acpi/gnvs.c

@@ -77,3 +77,12 @@ void acpi_inject_nvsa(void)
 	acpigen_write_name_dword("NVSA", (uintptr_t)gnvs);
 	acpigen_pop_len();
 }
+
+void acpi_fill_gnvs(void)
+{
+	if (!gnvs)
+		return;
+
+	soc_fill_gnvs(gnvs);
+	mainboard_fill_gnvs(gnvs);
+}