sun7i: Add support for Olimex A20-OLinuXino-LIME2-eMMC
This patch adds support for the Olimex OLinuXino Lime2 with eMMC flash
storage.
https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-LIME2-eMMC/
It is a assembly variant of the regular Lime2 but featuring eMMC for
storage.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Jagan Teki <jagan@openedev.com>