xf86-video-imx-vivante: drop vivante specific x11 driver
The required x11 driver stuff has been removed from imx-gpu-viv and
thus the X11 driver is no longer buildable.
Drop the recipe and fallback on the default X11 fb driver.
| ERROR: Nothing RPROVIDES 'libvivante-dri-imx' (but .../meta-freescale/recipes-graphics/xorg-driver/xf86-video-imx-vivante_6.4.0.p0.0.bb RDEPENDS on or otherwise requires it)
Completes
747c96f5 ("imx-gpu-viv: Upgrade to 6.4.3.p2.4").
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
