Lots of Tiny-X changes:

Add overlay support in the Tiny-X Savage4 driver (required changing lots of
    Tiny-X code). Savage4 now support 8/16, 8/32 overlays.
Add IGS Cyberpro 5050 driver. This chip has bus support for embeded
    systems.

hw/kdrive/igs/igsstub.c

@@ -0,0 +1,57 @@
+/*
+ * $XFree86$
+ *
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "igs.h"
+
+void
+InitCard (char *name)
+{
+    KdCardAttr	attr;
+    CARD32	count;
+
+    count = 0;
+    while (LinuxFindPci (0x10ea, 0x5000, count, &attr))
+    {
+	KdCardInfoAdd (&igsFuncs, &attr, 0);
+	count++;
+    }
+}
+
+void
+InitOutput (ScreenInfo *pScreenInfo, int argc, char **argv)
+{
+    KdInitOutput (pScreenInfo, argc, argv);
+}
+
+void
+InitInput (int argc, char **argv)
+{
+    KdInitInput (&Ps2MouseFuncs, &LinuxKeyboardFuncs);
+}
+
+int
+ddxProcessArgument (int argc, char **argv, int i)
+{
+    return KdProcessArgument (argc, argv, i);
+}