video: ipuv3: Set max display bpp to 32

The IPUv3 can handle 1920x1080x32bpp displays , set the max preallocated
framebuffer BPP to 32 to cater for all eventualities.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
diff --git a/drivers/video/imx/mxc_ipuv3_fb.c b/drivers/video/imx/mxc_ipuv3_fb.c
index 1aca9eb..29ecac4 100644
--- a/drivers/video/imx/mxc_ipuv3_fb.c
+++ b/drivers/video/imx/mxc_ipuv3_fb.c
@@ -678,7 +678,7 @@
 	struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
 
 	plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT *
-		     (1 << LCD_MAX_LOG2_BPP) / 8;
+		     (1 << VIDEO_BPP32) / 8;
 
 	return 0;
 }