i945: Consolidate common GNVS init

Change-Id: Idc3522807b17e56bdaf8f04b4bd68c6ed9777363
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7110
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)

src/southbridge/intel/i82801gx/lpc.c

@@ -618,6 +618,10 @@ static void southbridge_inject_dsdt(void)
 
 	if (gnvs) {
 		memset(gnvs, 0, sizeof(*gnvs));
+
+		gnvs->apic = 1;
+		gnvs->mpen = 1; /* Enable Multi Processing */
+
 		acpi_create_gnvs(gnvs);
 		/* And tell SMI about it */
 		smm_setup_structures(gnvs, NULL, NULL);