wl12xx: move basic_rate into wlvif

move basic_rate into the per-interface data, rather than
being global.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c
index 37955da..ed27c5f 100644
--- a/drivers/net/wireless/wl12xx/init.c
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -331,7 +331,7 @@
 	}
 
 	/* PS config */
-	ret = wl1271_acx_config_ps(wl);
+	ret = wl12xx_acx_config_ps(wl, wlvif);
 	if (ret < 0)
 		return ret;