xwayland: Add some more xwayland fake modes

Adds the following 16:10 modes primarily for scaling up on Steam Deck:
 - 1152x720
 - 960x600
 - 928x580
 - 800x500
 - 768x480

Signed-off-by: Joshua Ashton <joshua@froggi.es>
Reviewed-by: Olivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

hw/xwayland/xwayland-output.c

@@ -304,6 +304,11 @@ const int32_t xwl_output_fake_modes[][2] = {
     { 1680, 1050 },
     { 1440,  900 },
     { 1280,  800 },
+    { 1152,  720 },
+    {  960,  600 },
+    {  928,  580 },
+    {  800,  500 },
+    {  768,  480 },
     {  720,  480 }, /* 3:2 (1.5) */
     {  640,  400 },
     {  320,  200 },