Powerpc/DIU: Fixed the 800x600 and 1024x768 resolution bug

When the resolution is set to 800x600 and 1024x768,
but, the driver will use 1280x1024 resolution to set the DIU register

Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>

drivers/video/fsl_diu_fb.c

@@ -252,8 +252,10 @@ int fsl_diu_init(u16 xres, u16 yres, u32 pixel_format, int gamma_fix)
 		break;
 	case RESOLUTION(800, 600):
 		fsl_diu_mode_db = &fsl_diu_mode_800_600;
+		break;
 	case RESOLUTION(1024, 768):
 		fsl_diu_mode_db = &fsl_diu_mode_1024_768;
+		break;
 	case RESOLUTION(1280, 1024):
 		fsl_diu_mode_db = &fsl_diu_mode_1280_1024;
 		break;