usb: otg: utils: rename function name in OTG utils

_transceiver() in otg.c is replaced with _phy. usb_set_transceiver is
replaced with usb_add_phy to make it similar to other usb standard
function names like usb_add_hcd.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index a087ed6..522a4a2 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -415,7 +415,7 @@
 	gpio_direction_output(musb->config->gpio_vrsel, 0);
 
 	usb_nop_xceiv_register();
-	musb->xceiv = usb_get_transceiver();
+	musb->xceiv = usb_get_phy();
 	if (!musb->xceiv) {
 		gpio_free(musb->config->gpio_vrsel);
 		return -ENODEV;
@@ -440,7 +440,7 @@
 {
 	gpio_free(musb->config->gpio_vrsel);
 
-	usb_put_transceiver(musb->xceiv);
+	usb_put_phy(musb->xceiv);
 	usb_nop_xceiv_unregister();
 	return 0;
 }