q35: fix default vga address

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/src/q35-acpi-dsdt.dsl b/src/q35-acpi-dsdt.dsl
index 34fb527..3032ff6 100644
--- a/src/q35-acpi-dsdt.dsl
+++ b/src/q35-acpi-dsdt.dsl
@@ -260,7 +260,7 @@
 
     Scope(\_SB.PCI0) {
         Device (VGA) {
-                 Name (_ADR, 0x00020000)
+                 Name (_ADR, 0x00010000)
                  Method (_S1D, 0, NotSerialized)
                  {
                          Return (0x00)