Fixed raspberrypi support and added conditional disabling of code paths

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
x11: added missing headers and explicit type conversions

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added OpenEmbedded recipes

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>