package/qemu: move patches to a per version directory
This is done in preparation to the introduction of the support for a
different Qemu version, used on the C-SKY architecture.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>