x11-drivers/xlibre-xf86-video-scfb: New port: The SCFB video driver

This package contains the XLibre xf86-video-scfb driver.
Framebuffer access via FreeBSD syscons.

This driver has been recently forked by the XLibre organization.

With hat: xlibre
Obtained from: https://github.com/b-aaz/xlibre-ports