drm/omap: drop the !FB_OMAP2 dep

This ends up causing circularity and really let people shoot themselves
in the foot.
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/omapdrm/Kconfig

 
 config DRM_OMAP
 	tristate "OMAP DRM"
-	depends on DRM && !FB_OMAP2
+	depends on DRM
 	depends on ARCH_OMAP2PLUS || ARCH_MULTIPLATFORM
 	depends on OMAP2_DSS
 	select DRM_KMS_HELPER