msm: emac: Fix issue with auto negotiation disabled

Emac driver does not consider the advertised value set
by user when link is up again and instead programs default
value.

Program correct advertised settings with each link up
connection.

Change-Id: I262daf202885edc910f454a63dd943258b61663e
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>