usb: musb: pass platform_ops via platform_data

... then we don't need to export any symbols
from glue layer to musb_core.

Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 02eded21..03cb001 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -436,7 +436,7 @@
 	return 0;
 }
 
-const struct musb_platform_ops musb_ops = {
+static const struct musb_platform_ops bfin_ops = {
 	.init		= bfin_musb_init,
 	.exit		= bfin_musb_exit,
 
@@ -479,6 +479,8 @@
 	glue->dev			= &pdev->dev;
 	glue->musb			= musb;
 
+	pdata->platform_ops		= &bfin_ops;
+
 	platform_set_drvdata(pdev, glue);
 
 	ret = platform_device_add_resources(musb, pdev->resource,