Driver added the OCR (online controller reset) support to megaraid sas iMR chip.

Signed-off-by Bo Yang<bo.yang@lsi.com>

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drivers/scsi/megaraid/megaraid_sas.c |   74 ++++++++++++++++++++---------------
drivers/scsi/megaraid/megaraid_sas.h |    5 +-
 2 files changed, 47 insertions(+), 32 deletions(-)