[PATCH] whitespace and CodingStyle fixes for sis900

Big patch, but only contains whitespace and CodingStyle fixes to make
the whole sis900.c file uniform. Some >80 lines where too difficult to
split, so I let them alone, readability would be just as bad as is now.

This patch depends on the previous one liner that adds the new PHY ID
and is made against kernel 2.6.8 (as the previous).

This patch is also available at: http://teg.homeunix.org/sis900.html

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Daniele Venzano
Web: http://teg.homeunix.org

applied to netdev-2.6