lib/intel_io: rename mmio setup functions

Makes their intent a bit clearer.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/tools/intel_audio_dump.c b/tools/intel_audio_dump.c
index 2602374..f3bb9eb 100644
--- a/tools/intel_audio_dump.c
+++ b/tools/intel_audio_dump.c
@@ -2277,9 +2277,9 @@
 	do_self_tests();
 
 	if (argc == 2)
-		intel_map_file(argv[1]);
+		intel_mmio_use_dump_file(argv[1]);
 	else
-		intel_get_mmio(pci_dev);
+		intel_mmio_use_pci_bar(pci_dev);
 
 	if (IS_VALLEYVIEW(devid)) {
 		printf("Valleyview audio registers:\n\n");