acpi: Remove explicit pointer tracking in per-device ssdt.

It's useless and error-prone.

Change-Id: Ie385e147d42b05290ab8c3ca193c5c871306f4ac
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7018
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index 39a95af..9331afa 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -444,8 +444,7 @@
 	.enable           = northbridge_enable,
 	.scan_bus         = 0,
 	.ops_pci          = &intel_pci_ops,
-	.acpi_fill_ssdt_generator = northbridge_acpi_fill_ssdt_generator,
-
+	.acpi_fill_ssdt_generator = generate_cpu_entries,
 };
 
 static const struct pci_driver mc_driver_0100 __pci_driver = {