stmmac: cleanup documenation, make it match reality

Fix english in documentation, make documentation match reality, remove
options that were removed from code.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Machek 2016-12-01 11:32:18 +01:00 • committed by David S. Miller
commit c6c60dae81