staging: rdma: add a blank line after function

Fixed warnings found by checkpatch.pl:

Please use a blank line after function/struct/union/enum declarations
  FILE: drivers/staging/rdma/amso1100/c2_mq.c:158:
  FILE: drivers/staging/rdma/hfi1/file_ops.c:2069:
  FILE: drivers/staging/rdma/hfi1/sdma.c:744:
  FILE: drivers/staging/rdma/hfi1/verbs.c:1202:
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rdma/amso1100/c2_mq.c

@@ -155,6 +155,7 @@ void c2_mq_req_init(struct c2_mq *q, u32 index, u32 q_size, u32 msg_size,
 	q->hint_count = 0;
 	return;
 }
+
 void c2_mq_rep_init(struct c2_mq *q, u32 index, u32 q_size, u32 msg_size,
 		    u8 *pool_start, u16 __iomem *peer, u32 type)
 {

drivers/staging/rdma/hfi1/file_ops.c

@@ -2066,6 +2066,7 @@ static const struct file_operations ui_file_ops = {
 	.open = ui_open,
 	.release = ui_release,
 };
+
 #define UI_OFFSET 192	/* device minor offset for UI devices */
 static int create_ui = 1;
 

drivers/staging/rdma/hfi1/sdma.c

@@ -741,6 +741,7 @@ u16 sdma_get_descq_cnt(void)
 		return SDMA_DESCQ_CNT;
 	return count;
 }
+
 /**
  * sdma_select_engine_vl() - select sdma engine
  * @dd: devdata

drivers/staging/rdma/hfi1/verbs.c

@@ -1199,6 +1199,7 @@ int hfi1_verbs_send_pio(struct hfi1_qp *qp, struct ahg_ib_header *ahdr,
 	}
 	return 0;
 }
+
 /*
  * egress_pkey_matches_entry - return 1 if the pkey matches ent (ent
  * being an entry from the ingress partition key table), return 0