arm: mvebu: a38x: Drop use of miiphy_get_dev_by_name()

Instead of doing another lookup, trivially access the struct mii_dev
embedded in struct bb_miiphy_bus . No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
diff --git a/board/gdsys/a38x/ihs_phys.c b/board/gdsys/a38x/ihs_phys.c
index 128b139..71c9398 100644
--- a/board/gdsys/a38x/ihs_phys.c
+++ b/board/gdsys/a38x/ihs_phys.c
@@ -245,7 +245,7 @@
 	retval = mdio_register(mdiodev);
 	if (retval < 0)
 		return retval;
-	*bus = miiphy_get_dev_by_name(mdiodev->name);
+	*bus = &bb_miiphy->mii;
 
 	return mii_mdio_init(bb_miiphy);
 }