[PATCH] phy: mdio-thunder: Fix some Kconfig typos

[David Miller]

From: Andreas Färber <afaerber at suse.de>
Date: Thu, 17 Mar 2016 00:23:37 +0100

> Drop two extra occurrences of "on" in option title and help text.
> 
> Fixes: 379d7ac7ca31 ("phy: mdio-thunder: Add driver for Cavium Thunder SoC MDIO buses.")
> Cc: David Daney <david.daney at cavium.com>
> Signed-off-by: Andreas Färber <afaerber at suse.de>

Applied.