superio/ite: Use common dispatch for pnp entry/exit functions

We already have these implemented under superio/common, use
those instead of this copy-paste syndrom.

Change-Id: I7c7737e0b3c284d8b14b36c70681ab2269bb1d4b
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7310
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/superio/ite/it8712f/superio.c b/src/superio/ite/it8712f/superio.c
index 9dd9f85..02a51fb 100644
--- a/src/superio/ite/it8712f/superio.c
+++ b/src/superio/ite/it8712f/superio.c
@@ -24,23 +24,10 @@
 #include <pc80/keyboard.h>
 #include <arch/io.h>
 #include <stdlib.h>
+#include <superio/conf_mode.h>
+
 #include "it8712f.h"
 
-static void pnp_enter_ext_func_mode(struct device *dev)
-{
-	u16 port = dev->path.pnp.port;
-
-	outb(0x87, port);
-	outb(0x01, port);
-	outb(0x55, port);
-	outb((port == 0x4e) ? 0xaa : 0x55, port);
-}
-
-static void pnp_exit_ext_func_mode(struct device *dev)
-{
-	pnp_write_config(dev, 0x02, 0x02);
-}
-
 static void it8712f_init(struct device *dev)
 {
 
@@ -69,18 +56,13 @@
 	}
 }
 
-static const struct pnp_mode_ops pnp_conf_mode_ops = {
-	.enter_conf_mode  = pnp_enter_ext_func_mode,
-	.exit_conf_mode   = pnp_exit_ext_func_mode,
-};
-
 static struct device_operations ops = {
 	.read_resources   = pnp_read_resources,
 	.set_resources    = pnp_set_resources,
 	.enable_resources = pnp_enable_resources,
 	.enable           = pnp_alt_enable,
 	.init             = it8712f_init,
-	.ops_pnp_mode     = &pnp_conf_mode_ops,
+	.ops_pnp_mode     = &pnp_conf_mode_870155_aa,
 };
 
 static struct pnp_info pnp_dev_info[] = {