IB/hfi1: Fix unbalanced braces around else

Add missing braces around else blocks in a few places to make checkpatch
happy.

Fixes: 7724105686 ("IB/hfi1: add driver files")
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/chip.c

@@ -8185,10 +8185,10 @@ static irqreturn_t sdma_interrupt(int irq, void *data)
 
 		/* handle the interrupt(s) */
 		sdma_engine_interrupt(sde, status);
-	} else
+	} else {
 		dd_dev_err(dd, "SDMA engine %u interrupt, but no status bits set\n",
 			   sde->this_idx);
-
+	}
 	return IRQ_HANDLED;
 }