axi_dmac_ip.tcl: Add include files to file list

The include files are currently only implicitly added to the component file
list. Do it explicitly as this will make sure that they show up in the
generated Makefile dependency list.

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

library/axi_dmac/axi_dmac_ip.tcl

@@ -6,6 +6,8 @@ source $ad_hdl_dir/library/scripts/adi_ip.tcl
 adi_ip_create axi_dmac
 adi_ip_files axi_dmac [list \
   "$ad_hdl_dir/library/common/up_axi.v" \
+  "inc_id.h" \
+  "resp.h" \
   "address_generator.v" \
   "data_mover.v" \
   "request_arb.v" \