IB/hfi1: Use built-in i2c bit-shift bus adapter

Use built-in i2c bit-shift bus adapter to control the
i2c busses on the chip.

Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/chip.c

@@ -14165,6 +14165,11 @@ static int init_asic_data(struct hfi1_devdata *dd)
 	}
 	dd->asic_data->dds[dd->hfi1_id] = dd; /* self back-pointer */
 	spin_unlock_irqrestore(&hfi1_devs_lock, flags);
+
+	/* first one through - set up i2c devices */
+	if (!peer)
+		ret = set_up_i2c(dd, dd->asic_data);
+
 	return ret;
 }