ipu: blitter: cleanup

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
ipu: blitter: fb.h is enough, mxcfb.h is not necessary

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
ipu: added rotation & crop options and properties

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

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

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