device_ops: add device_t argument to write_acpi_tables

`device_t device` is missing as argument. Every device_op function
should have a `device_t device` argument.

Change-Id: I1ba4bfa0ac36a09a82b108249158c80c50f9f5fd
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/9599
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/mainboard/emulation/qemu-i440fx/acpi.h

@@ -1 +1 @@
-unsigned long northbridge_write_acpi_tables(unsigned long start);
+unsigned long northbridge_write_acpi_tables(device_t device, unsigned long start);