support for antenna configuration profiles

Index: arch/mips/ar71xx/mach-all0258n.c
===================================================================
@@ -34,6 +34,9 @@
 #define ALL0258N_LAN_PHYMASK BIT(4)
 #define ALL0258N_SEC_PHYMASK BIT(3)
 
+#define ALL0258N_SWITCHCOM_HORIZONTAL	0x09a00210
+#define ALL0258N_SWITCHCOM_VERTICAL	0x0a900120
+
 /*
  * from U-Boot bootargs of original firmware:
  * mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),320k(custom),1024k(kernel),4928k(rootfs),1536k(failsafe),64k(ART)

@@ -139,6 +142,9 @@
 	ar71xx_add_device_eth(0);
 	ar71xx_add_device_eth(1);
 
+	ap91_pci_setup_wmac_switchcom(0, ALL0258N_SWITCHCOM_HORIZONTAL, "horiz", "horizontal TX, vertical RX");
+	ap91_pci_setup_wmac_switchcom(1, ALL0258N_SWITCHCOM_VERTICAL, "vert", "vertical TX, horizontal RX");
+
 	ap91_pci_init(ee, mac);
 }