device_ops: add device_t argument to acpi_fill_ssdt_generator

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

Change-Id: I7fca8c3fa15c1be672e50e4422d7ac8e4aaa1e36
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/9598
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/northbridge/intel/nehalem/gma.c

@@ -1082,7 +1082,7 @@ intel_gma_get_controller_info(void)
 	return &chip->gfx;
 }
 
-static void gma_ssdt(void)
+static void gma_ssdt(device_t device)
 {
 	const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
 	if (!gfx) {