net: phy: Change to print all phys that are not found

In get_phy_device_by_mask(), when no phy is found, currently we only
print a message to show the first phy address that is not found. But
this is not always the case as multiple phys can be specified by
phy_mask. Change to print all phys that are not found, and to reduce
the console boot log, change to use 'debug' instead of 'printf'.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

drivers/net/phy/phy.c

@@ -671,7 +671,14 @@ static struct phy_device *get_phy_device_by_mask(struct mii_dev *bus,
 		if (phydev)
 			return phydev;
 	}
-	printf("Phy %d not found\n", ffs(phy_mask) - 1);
+
+	debug("\n%s PHY: ", bus->name);
+	while (phy_mask) {
+		int addr = ffs(phy_mask) - 1;
+		debug("%d ", addr);
+		phy_mask &= ~(1 << addr);
+	}
+	debug("not found\n");
 
 	return NULL;
 }