swconfig: revert the portmapping patches, they seem to cause a segfault

Revert "kernel/swconfig: remove obsolete portmapping feature from swconfig"

This reverts commit 675407baa4.

Revert "swconfig: remove obsolete portmapping feature"

This reverts commit fca1eb349e.

Signed-off-by: John Crispin <john@phrozen.org>

target/linux/generic/files/include/linux/switch.h

@@ -105,6 +105,7 @@ struct switch_dev_ops {
 };
 
 struct switch_dev {
+	struct device_node *of_node;
 	const struct switch_dev_ops *ops;
 	/* will be automatically filled */
 	char devname[IFNAMSIZ];
@@ -125,6 +126,7 @@ struct switch_dev {
 
 	struct mutex sw_mutex;
 	struct switch_port *portbuf;
+	struct switch_portmap *portmap;
 	struct switch_port_link linkbuf;
 
 	char buf[128];
@@ -139,6 +141,11 @@ struct switch_port {
 	u32 flags;
 };
 
+struct switch_portmap {
+	u32 virt;
+	const char *s;
+};
+
 struct switch_val {
 	const struct switch_attr *attr;
 	int port_vlan;