Flashrom update from Stefan, resolve issue 21

Corresponding to flashrom svn r34 and coreboot v2 svn r2111.
diff --git a/rom.layout b/rom.layout
new file mode 100644
index 0000000..3d7511a
--- /dev/null
+++ b/rom.layout
@@ -0,0 +1,3 @@
+00000000:00008fff gfxrom
+00009000:0003ffff normal
+00040000:0007ffff fallback