phy: mediatek: fix spelling mistake in Kconfig "veriosn" -> "version"

There is a spelling mistake in the Kconfig. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201114120518.416120-1-colin.king@canonical.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>