axi_dmac: Mark unused output ports explicitly as unconnected

Mark all unused output ports explicitly as explicitly. This makes it clear
that they are left unconnected on purpose and avoids warnings from the
tools about unconnected ports.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

library/axi_dmac/dest_axi_mm.v

@@ -174,6 +174,8 @@ dmac_data_mover # (
 	.enable(address_enabled),
 	.enabled(data_enabled),
 
+	.xfer_req(),
+
 	.request_id(address_id),
 	.response_id(data_id),
 	.sync_id(sync_id),

library/axi_dmac/request_arb.v

@@ -850,12 +850,14 @@ util_axis_fifo #(
 	.s_axis_ready(src_fifo_repacked_ready),
 	.s_axis_data(src_fifo_repacked_data),
 	.s_axis_empty(src_fifo_empty),
+	.s_axis_room(),
 
 	.m_axis_aclk(dest_clk),
 	.m_axis_aresetn(dest_resetn),
 	.m_axis_valid(dest_fifo_valid),
 	.m_axis_ready(dest_fifo_ready),
-	.m_axis_data(dest_fifo_data)
+	.m_axis_data(dest_fifo_data),
+	.m_axis_level()
 );
 
 util_axis_resize #(
@@ -960,6 +962,8 @@ util_axis_fifo #(
 		req_length[BYTES_PER_BEAT_WIDTH_DEST-1:0],
                 req_xlast
 	}),
+	.s_axis_room(),
+
 	.m_axis_aclk(dest_clk),
 	.m_axis_aresetn(dest_resetn),
 	.m_axis_valid(dest_req_valid),
@@ -969,7 +973,8 @@ util_axis_fifo #(
 		dest_req_last_burst_length,
 		dest_req_last_beat_bytes,
                 dest_req_xlast
-	})
+	}),
+	.m_axis_level()
 );
 
 util_axis_fifo #(
@@ -987,6 +992,8 @@ util_axis_fifo #(
 		req_length[BYTES_PER_BURST_WIDTH-1:BYTES_PER_BEAT_WIDTH_SRC],
 		req_sync_transfer_start
 	}),
+	.s_axis_room(),
+
 	.m_axis_aclk(src_clk),
 	.m_axis_aresetn(src_resetn),
 	.m_axis_valid(src_req_valid),
@@ -995,7 +1002,8 @@ util_axis_fifo #(
 		src_req_address,
 		src_req_last_burst_length,
 		src_req_sync_transfer_start
-	})
+	}),
+	.m_axis_level()
 );
 
 util_axis_fifo #(
@@ -1009,11 +1017,14 @@ util_axis_fifo #(
 	.s_axis_ready(dest_response_ready),
 	.s_axis_empty(dest_response_empty),
 	.s_axis_data(dest_response_resp_eot),
+	.s_axis_room(),
+
 	.m_axis_aclk(req_aclk),
 	.m_axis_aresetn(req_aresetn),
 	.m_axis_valid(response_dest_valid),
 	.m_axis_ready(response_dest_ready),
-	.m_axis_data(response_dest_resp_eot)
+	.m_axis_data(response_dest_resp_eot),
+	.m_axis_level()
 );
 
 /* Unused for now

library/axi_dmac/src_axi_mm.v

@@ -167,6 +167,8 @@ dmac_data_mover # (
 	.enabled(enabled),
 	.sync_id(sync_id),
 
+	.xfer_req(),
+
 	.request_id(address_id),
 	.response_id(data_id),
 	.eot(data_eot),