[Patch 0/5 2.5] e100: driver update

1. Fix e100_watchdog to not accidentally re-enable interrupts when setting 
the software interrupt bit.  Bug fixed was data corruption noticed with i
memory poisoning kernel, when under heavy (65000+) packets per second load on PPC64.
2. Downing interface breakes connectivity of BMC removed small portion of 
TCO workaround in e100_hw_reset routine
3. Fix set ringparam for ethtool returning error code on bad input
4. Driver version number update
5. More DPRINTK messages to log driver state.