common: board_r: Drop initr_bbmii wrapper

Add a return value to bb_miiphy_init and use it directly in the
post-relocation init sequence, rather than using a wrapper stub.

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/net/phy/miiphybb.c b/drivers/net/phy/miiphybb.c
index ba97a54..59a32c4 100644
--- a/drivers/net/phy/miiphybb.c
+++ b/drivers/net/phy/miiphybb.c
@@ -105,7 +105,7 @@
 			  sizeof(bb_miiphy_buses[0]);
 #endif
 
-void bb_miiphy_init(void)
+int bb_miiphy_init(void)
 {
 	int i;
 
@@ -124,6 +124,8 @@
 			bb_miiphy_buses[i].init(&bb_miiphy_buses[i]);
 		}
 	}
+
+	return 0;
 }
 
 static inline struct bb_miiphy_bus *bb_miiphy_getbus(const char *devname)