[PATCH] ucc_geth.c, make PHY device optional.

[Joakim Tjernlund]

> This patch makes the PHY optional for ucc_geth.c ethernet driver.
> This is useful to support a direct mii to mii connection to, for example,
> a onboard swicth.
> 
> Signed-off-by: Joakim Tjernlund <joakim.tjernlund at transmode.se>
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[SNIP patch sent last Friday]

Since this is my last week before vacation, I would really like to
get feedback on this patch sooner than later :)

 Jocke