drm/fb_cma_helper: Add support for the fbdev dma-buf API

Add support for the new semi-standard fbdev API for dma-buf exports to
user space.

Change-Id: I8df10b2d214bb75a0c3f42f4c6ce58da9e9573b8
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
2 files changed