imx6: aristainetos: add DM_VIDEO support

add DM_VIDEO support and remove now unneeded board
code. As we show a bmp logo on boot, call now
bmp_display() from board code and do not use
cfb_console anymore.

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/configs/aristainetos2_defconfig b/configs/aristainetos2_defconfig
index 9277155..243b4ff 100644
--- a/configs/aristainetos2_defconfig
+++ b/configs/aristainetos2_defconfig
@@ -92,8 +92,9 @@
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_DISPLAY=y
 CONFIG_VIDEO_IPUV3=y
-CONFIG_VIDEO=y
-# CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_IMX_WATCHDOG=y
 # CONFIG_EFI_LOADER is not set