AGESA: Call get_bus_conf() just once

Instead of calling get_bus_conf() three times from write_tables()
and executing it once, just make one call before entering write_tables().

Change-Id: I818e37128cb0fb5eaded3c1e00b6b146c1267647
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6133
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/mainboard/amd/parmer/mptable.c

@@ -84,8 +84,6 @@ static void *smp_write_config_table(void *v)
 
 	smp_write_processors(mc);
 
-	get_bus_conf();
-
 	//mptable_write_buses(mc, NULL, &bus_isa);
 	my_smp_write_bus(mc, 0, "PCI   ");
 	my_smp_write_bus(mc, 1, "PCI   ");