phy: broadcom: don't duplicate genphy_startup

Functionally, bcm_cygnus_startup() is an exact copy of
genphy_startup().

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index ea98cfc..36c70da 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -162,18 +162,6 @@
 	return 0;
 }
 
-static int bcm_cygnus_startup(struct phy_device *phydev)
-{
-	int ret;
-
-	/* Read the Status (2x to make sure link is right) */
-	ret = genphy_update_link(phydev);
-	if (ret)
-		return ret;
-
-	return genphy_parse_link(phydev);
-}
-
 static void bcm_cygnus_afe(struct phy_device *phydev)
 {
 	/* ensures smdspclk is enabled */
@@ -359,6 +347,6 @@
 	.mask = 0xfffff0,
 	.features = PHY_GBIT_FEATURES,
 	.config = &bcm_cygnus_config,
-	.startup = &bcm_cygnus_startup,
+	.startup = &genphy_startup,
 	.shutdown = &genphy_shutdown,
 };