Merge branch 'cxgb4-SGE-doorbell-queue-timer'

Vishal Kulkarni says:

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cxgb4/cxgb4vfSupport for SGE doorbell queue timer

This series of patchs add SGE doorbell queue timer for faster DMA completions.

Patch 1 Implements SGE doorbell queue timer

Patch 2 Adds ethtool capability to set/get SGE doorbell queue timer tick

v2
- Reverse christmas tree formatting for local variables.
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Signed-off-by: David S. Miller <davem@davemloft.net>