Fix building the iPod 6G UI sim by reusing the iPod Video bitmap.

Ideally someone will go through and make a graphic for the 6G, but as it looks nearly identical to the Video its not a huge deal.

Change-Id: If507c6d4f01eb0b1e5fc2f15f6a0e5a3195006c6

firmware/target/hosted/sdl/sim-ui-defines.h

@@ -130,6 +130,13 @@
 #define UI_LCD_POSX                 14 /* x position of lcd */
 #define UI_LCD_POSY                 12 /* y position of lcd */
 
+#elif defined(IPOD_6G)
+#define UI_TITLE                    "iPod 6G"
+#define UI_WIDTH                    350 /* width of GUI window */
+#define UI_HEIGHT                   591 /* height of GUI window */
+#define UI_LCD_POSX                 14 /* x position of lcd */
+#define UI_LCD_POSY                 12 /* y position of lcd */
+
 #elif defined(IAUDIO_X5)
 #define UI_TITLE                    "iAudio X5"
 #define UI_WIDTH                    300 /* width of GUI window */