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/da8xx.c b/drivers/usb/musb/da8xx.c
index 8bd9566..61868d6 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -425,7 +425,7 @@
 		goto fail;
 
 	usb_nop_xceiv_register();
-	musb->xceiv = usb_get_transceiver();
+	musb->xceiv = usb_get_phy();
 	if (!musb->xceiv)
 		goto fail;
 
@@ -458,7 +458,7 @@
 
 	phy_off();
 
-	usb_put_transceiver(musb->xceiv);
+	usb_put_phy(musb->xceiv);
 	usb_nop_xceiv_unregister();
 
 	return 0;