doc: sfp-phylink: correct code indentation

Using vim to edit the phylink documentation reveals some mistakes due
to the "invisible" pythonesque white space indentation that can't be
seen with other editors. Fix it.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed