mpt fusion: RESEND Rework on patches considering 2.6.30-rc6 as upstream kernel version

Resending all pending mpt fusion patch based on 2.6.30-rc6 version. Applying previous patches were giving "hunk failed" errors. Now patches are synced with latest 2.6.30-rc6 kernel.

Included all comments pointed by James B in previous submission. There are not logical changes in this patches.

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